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Company · Tokyo · Japan

Nihon Dempa Kogyo (Japan)

ndk.com/enROR OpenAlex
World rank, all time
#38,010
of 42,892
Rank in Japan
#1,719
of 2,112
Research works
126
▼ 45% vs 2013–17
Citations
788
6.3 per fractional work
Top-10% rate
0.0%
record average 16.5%
Open access
27%
world 28%

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.

Biochemistry, Genetics and Molecular Biology: 0.95× its world share, 1 worksBiochemistry, Geneti…Pharmacology, Toxicology and Pharmaceutics: 0.72× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 3.62× its world share, 0 worksChemical EngineeringComputer Science: 0.70× its world share, 1 worksComputer ScienceEngineering: 2.21× its world share, 4 worksEngineeringEnvironmental Science: 0.51× its world share, 0 worksEnvironmental ScienceMaterials Science: 4.89× its world share, 2 worksMaterials SciencePhysics and Astronomy: 8.81× its world share, 3 worksPhysics and AstronomyMedicine: 0.54× its world share, 1 worksMedicineEconomics, Econometrics and Finance: 0.12× its world share, 0 worksEconomics, Econometr…Social Sciences: 0.40× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 8.8×. Every wedge is a field page.

Which keywords describe research at Nihon Dempa Kogyo (Japan)?

By fractional works in all years, weighted toward what it does more of than the world: High-Frequency Applications, Acoustic Wave Biosensors, Thin Film Resonators, Biosensors, Reliability, Microfabrication, Resonators and Sensors.

▲ 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. High-Frequency Applications22▲ 254×2 topics
  2. Acoustic Wave Biosensors22▲ 343×1 topic
  3. Thin Film Resonators22▲ 343×1 topic
  4. Biosensors12▲ 16×3 topics
  5. Reliability8▲ 68×2 topics
  6. Microfabrication8▲ 87×2 topics
  7. Resonators7▲ 79×2 topics
  8. Sensors7▲ 38×2 topics
  9. MEMS7▲ 158×1 topic
  10. Silicon7▲ 72×1 topic
  11. Thermal Behavior7▲ 81×2 topics
  12. Integrated Circuits6▲ 19×2 topics
  13. Optical Modulators5▲ 20×2 topics
  14. Microcavities5▲ 24×1 topic
  15. Silicon Photonics5▲ 24×1 topic
  16. Nanoparticles4▲ 2.6×11 topics
  17. Numerical Simulation4▲ 10×6 topics
  18. Nanomechanical Systems4▲ 61×1 topic
  19. Optomechanics4▲ 61×1 topic
  20. Field-Effect Transistors4▲ 15×2 topics
  21. Artificial Neural Networks4▲ 6.6×3 topics
  22. Nanowires3▲ 12×4 topics
  23. Semiconductors3▲ 10×3 topics
  24. Structural Analysis3▲ 17×2 topics
  25. Finite Element Method3▲ 19×2 topics
  26. Material Properties3▲ 19×2 topics
  27. Ion-Selective Electrodes3▲ 24×1 topic
  28. Optical Sensors3▲ 16×1 topic
  29. Crystal Growth3▲ 6.6×5 topics
  30. Design Optimization3▲ 51×1 topic
  31. Fatigue Analysis3▲ 54×1 topic
  32. Characterization3▲ 14×4 topics
  33. Band Parameters2▲ 16×2 topics
  34. Microwave Filters2▲ 29×1 topic
  35. Substrate Integrated Waveguide2▲ 29×1 topic
  36. Optical Interconnects2▲ 24×1 topic
  37. Semiconductor Lasers2▲ 20×1 topic
  38. Damage Detection2▲ 25×2 topics
  39. Neural Network2▲ 6.6×2 topics
  40. Crystal Structure2▲ 7.2×2 topics

Which research topics does Nihon Dempa Kogyo (Japan) publish most on?

By volume in 2022–2025: Advanced Radiotherapy Techniques, Radiation Therapy and Dosimetry, GaN-based semiconductor devices and materials and Acoustic Wave Resonator Technologies.

Advanced Radiotherapy Te…1Advanced Radiotherapy Techniques: 1 fractional worksRadiation Therapy and Do…1Radiation Therapy and Dosimetry: 1 fractional worksGaN-based semiconductor devices and materials: 1 fractional worksAcoustic Wave Resonator Technologies: 0 fractional worksOptical and Acousto-Optic Technologies: 0 fractional worksAdvanced Computational Techniques and Applications: 0 fractional worksMaterial Properties and Applications: 0 fractional worksSilicon Carbide Semicond…0Silicon Carbide Semiconductor Technologies: 0 fractional worksMetallurgical and Alloy Processes: 0 fractional worksIntermetallics and Advanced Alloy Properties: 0 fractional works
RadiationPulmonary and Respiratory MedicineCondensed Matter PhysicsBiomedical Engineering5 others

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

  1. 1 Advanced Radiotherapy Techniques Radiation 1 works
  2. 2 Radiation Therapy and Dosimetry Pulmonary and Respiratory Medicine 1 works
  3. 3 GaN-based semiconductor devices and materials Condensed Matter Physics 1 works
  4. 4 Acoustic Wave Resonator Technologies Biomedical Engineering 0 works
  5. 5 Optical and Acousto-Optic Technologies Atomic and Molecular Physics, and Optics 0 works
  6. 6 Advanced Computational Techniques and Applications Artificial Intelligence 0 works
  7. 7 Material Properties and Applications General Materials Science 0 works
  8. 8 Silicon Carbide Semiconductor Technologies Electrical and Electronic Engineering 0 works
  9. 9 Metallurgical and Alloy Processes General Materials Science 0 works
  10. 10 Intermetallics and Advanced Alloy Properties Mechanical 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 available27.0%not open73.0%

World: 28% of research is openly available.

with international co-authors9.4%domestic only90.6%

World: 19% is written across borders.

How has Nihon Dempa Kogyo (Japan)'s research output changed?

Output in 2018–2022 was 45% lower than in 2013–2017.

1990200020102020
grewheldshrank

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

Other research institutions in Tokyo

All research institutions in Tokyo

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.