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Company · Nagaoka · Japan

Nippon Seiki (Japan)

nippon-seiki.co.jp/globalROR OpenAlex
Research works
114
▲ 111% vs 2018-21
Citations
1.2k
10.2 per fractional work
Top-10% rate
8.5%
all institutions 10.0%
Open access
30%
world 40%
International
15%
world 18%
Nippon Seiki (Japan)

Not ranked overall: Nippon Seiki (Japan) is under the volume floor below which an excellence rate is noise. Not ranked is not the same as ranked last.

Which fields of science does Nippon Seiki (Japan) work in?

In all years, 89% of research at Nippon Seiki (Japan) is in Physical Sciences, 7% in Life Sciences. Its largest fields are Engineering (50%), Materials Science (13%), Earth and Planetary Sciences (10%). It does 2.1× the world's share of Physical Sciences.

Physical Sciences: 101 fractional works · 88.9% of its workEngineering: 57 fractional works · 50.0% of its workElectrical and Electronic Engineering: 19 fractional works · 17.1% of its workBiomedical Engineering: 9 fractional works · 7.8% of its workMechanical Engineering: 7 fractional works · 6.5% of its workOcean Engineering: 6 fractional works · 5.4% of its workAerospace Engineering: 3 fractional works · 3.1% of its workMechanics of Materials: 3 fractional works · 2.8% of its workCivil and Structural Engineering: 2 fractional works · 2.1% of its workControl and Systems Engineering: 2 fractional works · 2.1% of its workComputational Mechanics: 2 fractional works · 1.4% of its workIndustrial and Manufacturing Engineering: 1 fractional works · 0.8% of its workMedia Technology: 0 fractional works · 0.4% of its workAutomotive Engineering: 0 fractional works · 0.2% of its workMaterials Science: 15 fractional works · 12.8% of its workMaterials Chemistry: 9 fractional works · 7.6% of its workElectronic, Optical and Magnetic Materials: 3 fractional works · 2.5% of its workBiomaterials: 1 fractional works · 0.9% of its workPolymers and Plastics: 1 fractional works · 0.9% of its workCeramics and Composites: 1 fractional works · 0.5% of its workSurfaces, Coatings and Films: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEarth and Planetary Sciences: 11 fractional works · 10.0% of its workGeophysics: 6 fractional works · 4.9% of its workOceanography: 3 fractional works · 2.4% of its workEarth-Surface Processes: 1 fractional works · 0.7% of its workAtmospheric Science: 1 fractional works · 0.7% of its workGeology: 1 fractional works · 0.5% of its workGeochemistry and Petrology: 0 fractional works · 0.4% of its workPaleontology: 0 fractional works · 0.3% of its workComputer Science: 7 fractional works · 6.5% of its workArtificial Intelligence: 3 fractional works · 2.5% of its workComputer Networks and Communications: 2 fractional works · 1.7% of its workComputer Vision and Pattern Recognition: 1 fractional works · 0.7% of its workSignal Processing: 1 fractional works · 0.5% of its workHuman-Computer Interaction: 0 fractional works · 0.4% of its workComputational Theory and Mathematics: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.4% of its workPhysics and Astronomy: 7 fractional works · 6.1% of its workAtomic and Molecular Physics, and Optics: 4 fractional works · 3.7% of its workCondensed Matter Physics: 2 fractional works · 1.5% of its workStatistical and Nonlinear Physics: 0 fractional works · 0.4% of its workAstronomy and Astrophysics: 0 fractional works · 0.3% of its workRadiation: 0 fractional works · 0.2% of its workEnvironmental Science: 2 fractional works · 1.9% of its workEnvironmental Chemistry: 1 fractional works · 0.6% of its workWater Science and Technology: 1 fractional works · 0.5% of its workGlobal and Planetary Change: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workChemistry: 1 fractional works · 0.8% of its workInorganic Chemistry: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workChemical Engineering: 0 fractional works · 0.3% of its workMathematics: 0 fractional works · 0.3% of its workApplied Mathematics: 0 fractional works · 0.3% of its workEnergy: 0 fractional works · 0.2% of its workLife Sciences: 8 fractional works · 6.7% of its workAgricultural and Biological Sciences: 4 fractional works · 3.1% of its workEcology, Evolution, Behavior and Systematics: 2 fractional works · 1.9% of its workPlant Science: 1 fractional works · 0.7% of its workFood Science: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBiochemistry, Genetics and Molecular Biology: 2 fractional works · 2.0% of its workMolecular Biology: 1 fractional works · 1.1% of its workGenetics: 0 fractional works · 0.3% of its workCell Biology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.4% of its workImmunology and Microbiology: 1 fractional works · 0.8% of its workImmunology: 1 fractional works · 0.8% of its workNeuroscience: 1 fractional works · 0.7% of its workNeurology: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workHealth Sciences: 4 fractional works · 3.4% of its workMedicine: 4 fractional works · 3.1% of its workPulmonary and Respiratory Medicine: 1 fractional works · 0.7% of its workRadiology, Nuclear Medicine and Imaging: 1 fractional works · 0.5% of its workSurgery: 1 fractional works · 0.5% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.4% of its workEpidemiology: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.8% of its workHealth Professions: 0 fractional works · 0.1% of its workNursing: 0 fractional works · 0.1% of its workSocial Sciences: 1 fractional works · 1.0% of its workSocial Sciences: 1 fractional works · 0.7% of its workSociology and Political Science: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.4% of its workPsychology: 0 fractional works · 0.1% of its workArts and Humanities: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 0 fractional works · 0.0% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.0% of its workALL ITS WORKNippon Seiki(Japan)114fractional works, all years
Life Sciences7%Physical Sciences89%Health Sciences3%Social Sciences1%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 23 fields, with their numbers
    1. Engineering5750.0%
    2. Materials Science1512.8%
    3. Earth and Planetary Sciences1110.0%
    4. Computer Science76.5%
    5. Physics and Astronomy76.1%
    6. Environmental Science21.9%
    7. Chemistry10.8%
    8. Chemical Engineering00.3%
    9. Mathematics00.3%
    10. Energy00.2%
    1. Agricultural and Biological Sciences43.1%
    2. Biochemistry, Genetics and Molecular Biology22.0%
    3. Immunology and Microbiology10.8%
    4. Neuroscience10.7%
    5. Pharmacology, Toxicology and Pharmaceutics00.1%
    1. Medicine43.1%
    2. Health Professions00.1%
    3. Nursing00.1%
    1. Social Sciences10.7%
    2. Psychology00.1%
    3. Arts and Humanities00.1%
    4. Business, Management and Accounting00.0%
    5. Economics, Econometrics and Finance00.0%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 3.62× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.48× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 5.82× its world share, 1 worksImmunology and Micro…Neuroscience: 0.34× its world share, 0 worksNeuroscienceComputer Science: 0.75× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 5.87× its world share, 1 worksEarth and Planetary …Engineering: 1.49× its world share, 3 worksEngineeringEnvironmental Science: 0.28× its world share, 0 worksEnvironmental ScienceMaterials Science: 3.20× its world share, 1 worksMaterials SciencePhysics and Astronomy: 3.76× its world share, 1 worksPhysics and AstronomyMedicine: 0.33× its world share, 1 worksMedicineSocial Sciences: 0.31× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 5.9×. Every wedge is a field page.

All 12 fields, with their numbers
  1. Earth and Planetary Sciences5.87×1 works
  2. Immunology and Microbiology5.82×1 works
  3. Physics and Astronomy3.76×1 works
  4. Agricultural and Biological Sciences3.62×2 works
  5. Materials Science3.20×1 works
  6. Engineering1.49×3 works
  7. Biochemistry, Genetics and Molecular Biology1.48×1 works
  8. Computer Science0.75×1 works
  9. Neuroscience0.34×0 works
  10. Medicine0.33×1 works
  11. Social Sciences0.31×0 works
  12. Environmental Science0.28×0 works

Who are the top researchers at Nippon Seiki (Japan)?

Ranked on the quality score, Toyoyasu Tadokoro and K. Uemura lead among researchers whose main affiliation is Nippon Seiki (Japan).

  1. 1 Toyoyasu Tadokoro Japan · #2,840,624 worldwide 295 citations · 17 works
  2. 2 K. Uemura Japan · #3,170,521 worldwide 282 citations · 25 works
All ranked researchers at Nippon Seiki (Japan)

What are the most cited papers from Nippon Seiki (Japan)?

The most cited paper from Nippon Seiki (Japan) is "UAV-Borne 3-D Mapping System by Multisensor Integration" (Masahiko Nagai, Tianen Chen, Ryosuke Shibasaki et al., 2009), with 200 citations. Next come "High-efficiency finishing process for metal mold by large-area electron beam irradiation" (124) and "Applications of intense pulsed ion beam to materials science*" (106).

Most cited papers
#PaperReleasedCitations
1 UAV-Borne 3-D Mapping System by Multisensor Integration Masahiko Nagai, Tianen Chen, Ryosuke Shibasaki et al. · IEEE Transactions on Geoscience and Remote Sensing 19 Feb 2009 200
2 High-efficiency finishing process for metal mold by large-area electron beam irradiation Yoshiyuki UNO, Akira Okada, Kensuke Uemura et al. · Precision Engineering 8 Mar 2005 124
3 Applications of intense pulsed ion beam to materials science* Kiyoshi Yatsui, Xiang Kang, T. Sonegawa et al. · Physics of Plasmas May 1994 106
4 Development of percutaneous intramuscular electrode for multichannel FES system Yuki Handa, N. Hoshimiya, Y. Iguchi et al. · IEEE Transactions on Biomedical Engineering Jul 1989 98
5 Development of novel magnetic nano-carriers for high-performance affinity purification Kosuke Nishio, Yuka Masaike, Morihito Ikeda et al. · Colloids and Surfaces B Biointerfaces 26 Jan 2008 97
All 61 most cited papers, with filters and sorting

Which keywords describe research at Nippon Seiki (Japan)?

By fractional works in all years, weighted toward what it does more of than the world: Photovoltaics, Nanocrystals, Solar Cells, Biological Detection, Quantum Dots, Wireless Sensor Networks, Bioimaging and Semiconductor Nanocrystals.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in all years in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Photovoltaics9▲ 31×4 topics
  2. Nanocrystals8▲ 28×3 topics
  3. Solar Cells7▲ 19×4 topics
  4. Biological Detection6▲ 41×2 topics
  5. Quantum Dots5▲ 30×2 topics
  6. Wireless Sensor Networks5▲ 12×6 topics
  7. Bioimaging5▲ 19×2 topics
  8. Machine Learning5▲ 1.94×9 topics
  9. Semiconductor Nanocrystals4▲ 36×2 topics
  10. Colloidal Nanocrystals4▲ 57×1 topic
  11. Fluorescence Imaging4▲ 34×1 topic
  12. Mechanical Properties4▲ 4.1×12 topics
  13. Acoustic Communications4▲ 101×1 topic
  14. Underwater Acoustic Sensor Networks4▲ 101×1 topic
  15. Semiconductor4▲ 11×2 topics
  16. Solar Cell Efficiency4▲ 29×2 topics
  17. Tool Wear4▲ 23×3 topics
  18. Efficiency3▲ 11×3 topics
  19. Nanocomposites3▲ 3.8×8 topics
  20. Nanowires3▲ 13×4 topics
  21. Microstructure3▲ 5.3×9 topics
  22. CZTS3▲ 44×1 topic
  23. Thin-Film Solar Cells3▲ 44×1 topic
  24. Biosensors3▲ 4.2×7 topics
  25. Dielectric Properties2▲ 15×2 topics
  26. Molecular Dynamics Simulation2▲ 15×2 topics
  27. Earthquakes2▲ 27×1 topic
  28. Subduction2▲ 21×1 topic
  29. Thin Films2▲ 7.9×2 topics
  30. Chemical Mechanical Planarization2▲ 34×1 topic
  31. Integrated Circuits2▲ 8.8×3 topics
  32. Material Removal Mechanism2▲ 34×1 topic
  33. Band Parameters2▲ 16×2 topics
  34. Evolution2▲ 6.5×5 topics
  35. Electroluminescence2▲ 31×2 topics
  36. Acoustic Techniques2▲ 45×1 topic
  37. Metal-Semiconductor Contacts2▲ 34×1 topic
  38. Phylogeny2▲ 9.7×5 topics
  39. Schottky Barrier2▲ 34×1 topic
  40. Seafloor Mapping2▲ 45×1 topic

Which research topics does Nippon Seiki (Japan) publish most on?

By volume in 2022-now: Coleoptera Taxonomy and Distribution, Advanced Sensor and Energy Harvesting Materials, Magnetic Properties of Alloys and Magnetic Properties and Applications.

Coleoptera Taxonomy and Distribution: 1 fractional worksAdvanced Sensor and Energy Harvesting Materials: 0 fractional worksMagnetic Properties of A…0Magnetic Properties of Alloys: 0 fractional worksMagnetic Properties and …0Magnetic Properties and Applications: 0 fractional worksAdvanced Algebra and Logic: 0 fractional worksSubterranean biodiversity and taxonomy: 0 fractional worksRadio Frequency Integrat…0Radio Frequency Integrated Circuit Design: 0 fractional worksBiomimetic flight and propulsion mechanisms: 0 fractional worksLepidoptera: Biology and Taxonomy: 0 fractional worksUnderwater Vehicles and …0Underwater Vehicles and Communication Systems: 0 fractional works
Ecology, Evolution, Behavior and SystematicsBiomedical EngineeringElectronic, Optical and Magnetic MaterialsComputational Theory and Mathematics5 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Coleoptera Taxonomy and Distribution Ecology, Evolution, Behavior and Systematics 1 works
  2. 2 Advanced Sensor and Energy Harvesting Materials Biomedical Engineering 0 works
  3. 3 Magnetic Properties of Alloys Electronic, Optical and Magnetic Materials 0 works
  4. 4 Magnetic Properties and Applications Electronic, Optical and Magnetic Materials 0 works
  5. 5 Advanced Algebra and Logic Computational Theory and Mathematics 0 works
  6. 6 Subterranean biodiversity and taxonomy Paleontology 0 works
  7. 7 Radio Frequency Integrated Circuit Design Electrical and Electronic Engineering 0 works
  8. 8 Biomimetic flight and propulsion mechanisms Aerospace Engineering 0 works
  9. 9 Lepidoptera: Biology and Taxonomy Genetics 0 works
  10. 10 Underwater Vehicles and Communication Systems Ocean Engineering 0 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available30.0%not open70.0%

World: 40% of research is openly available.

with international co-authors14.9%domestic only85.1%

World: 18% is written across borders.

How has Nippon Seiki (Japan)'s research output changed?

Output in 2022-2025 was 111% higher than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Nippon Seiki (Japan) as a percentage of every work published that year, 0.000029% in 2024.

still counting0.00050%0.0010%0.0015%Nippon Seiki (Japan)0.000088% in 202519801990200020102020

Fractional works of Nippon Seiki (Japan) over all fractional works that year. How the balance of science has shifted.

Other research institutions in Nagaoka

All research institutions in Nagaoka

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

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