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City · Japan

Research in Nagaoka

Science Explorer records 10 research institutions in Nagaoka, Japan. The highest-ranked on research quality in 2022–2025 are Nagaoka University of Technology, Nagaoka University and Nagaoka Red Cross Hospital.

Research institutions
10
3 of them ranked worldwide
Research works
15k
▼ 18% vs 2013–17
Top-10% rate, 2022–2025
4.9%
record average 16.5%

A city carries no overall standing here. The composite score is built for institutions and countries, the units its floors and field normalisation were designed around. An empty rank on this page is a statement about the measure, not about the place.

Which research institutions are in Nagaoka?

#InstitutionWorksAgainst the largest hereWorld rank
1Nagaoka University of TechnologyUniversity 9,547 #9,553
2Nagaoka UniversityUniversity 4,079 #19,995
3Nagaoka National College of TechnologyUniversity 568 #13,909 all time
4Nagaoka Red Cross HospitalHospital / health system 564 #27,605
5Tachikawa Medical CenterHospital / health system 188 #41,904 all time
6Nagaoka Institute of DesignUniversity 123 #42,212 all time
7Nippon Seiki (Japan)Company 114 not ranked
8Niigata Prefectural Nagaoka High SchoolUniversity 10 not ranked
9Niigata Prefectural Museum of HistoryArchive 9 not ranked
10Nagaoka Municipal Science MuseumArchive 5 not ranked

By fractional works over the whole record; world rank on research quality in 2022–2025. Bars are scaled to the largest institution in this city, not to anything off the page.

How concentrated the city is

The same institutions as shares of everything the list accounts for. A city that is one university and a city that is twelve read alike as a table and not at all alike here.

Nagaoka University of Technology: 62.8%Nagaoka University: 26.8%Nagaoka National College of Technology: 3.7%Nagaoka Red Cross Hospital: 3.7%6 others listed: 3.0%63%largest
Nagaoka University of Technology9,547 · 62.8%Nagaoka University4,079 · 26.8%Nagaoka National College of Technology568 · 3.7%Nagaoka Red Cross Hospital564 · 3.7%6 others listed449 · 3.0%

Shares of the rows listed above, not of the whole node.

What is Nagaoka strongest at in research?

Relative to its size, research in Nagaoka is most concentrated in Biomaterials, Polymers and Plastics and Electrical and Electronic Engineering (5.6× the world share in Biomaterials).

  1. BiomaterialsSubfield · 32.3 works5.6×
  2. Polymers and PlasticsSubfield · 21.2 works3.9×
  3. Electrical and Electronic EngineeringSubfield · 170.2 works3.5×
  4. Materials ScienceField · 166.1 works3.5×
← less than its size predicts1×more →

Location quotient against the world baseline. Inside a single field a city is a meaningful unit, which is why this is where a city is measured at all.

Which keywords describe research in Nagaoka?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Power Electronics, Renewable Energy Integration, Mechanical Properties, Biomedical Applications, Nanoparticles, Nanocomposites, Electric Vehicle Charging and Microstructure.

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

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this city'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. Power Electronics67▲ 15×8 topics
  2. Biomedical Applications58▲ 3.6×33 topics
  3. Mechanical Properties56▲ 4.3×30 topics
  4. Nanoparticles52▲ 3.1×35 topics
  5. Renewable Energy Integration50▲ 11×4 topics
  6. Deep Learning43◆ 0.93×60 topics
  7. Nanocomposites42▲ 3.8×20 topics
  8. Microstructure30▲ 4.3×16 topics
  9. Tissue Engineering29▲ 3.5×12 topics
  10. Electric Vehicle Charging28▲ 24×2 topics
  11. Nanomaterials27▲ 1.91×19 topics
  12. Graphene26▲ 2.8×11 topics
  13. Nanocrystals22▲ 6.0×5 topics
  14. Carbon Nanotubes22▲ 4.7×8 topics
  15. Thermal Analysis21▲ 12×6 topics
  16. Finite Element Method21▲ 16×6 topics
  17. Model Predictive Control21▲ 5.9×4 topics
  18. Additive Manufacturing20▲ 4.8×7 topics
  19. Fault Tolerance20▲ 9.2×3 topics
  20. DC-DC Converters19▲ 24×1 topic
  21. High-Frequency Power Conversion19▲ 24×1 topic
  22. Photovoltaic Systems19▲ 16×2 topics
  23. Multilevel Converters18▲ 24×1 topic
  24. Voltage Source Inverters18▲ 24×1 topic
  25. Implantable Devices18▲ 25×2 topics
  26. Adaptive Control17▲ 9.5×7 topics
  27. Materials16▲ 5.2×6 topics
  28. Sintering16▲ 9.3×5 topics
  29. Photovoltaics16▲ 7.3×4 topics
  30. Biomaterials16▲ 5.1×6 topics
  31. Efficiency Optimization16▲ 24×2 topics
  32. Wireless Power Transfer16▲ 12×2 topics
  33. Material Properties15▲ 11×3 topics
  34. Fluid Dynamics14▲ 7.5×5 topics
  35. Electric Motor Drives14▲ 25×1 topic
  36. Permanent Magnet Machines14▲ 25×1 topic
  37. Processing Techniques13▲ 11×2 topics
  38. Structural Analysis13▲ 10×5 topics
  39. Solar Cell Efficiency13▲ 9.1×2 topics
  40. Friction Stir Processing12▲ 13×2 topics

What research is done in Nagaoka?

Advanced DC-DC Converters: 19 fractional worksMultilevel Inverters and Converters: 18 fractional worksElectric Motor Design an…14Electric Motor Design and Analysis: 14 fractional worksAluminum Alloys Composit…12Aluminum Alloys Composites Properties: 12 fractional worksMicrogrid Control and Optimization: 12 fractional worksUrban and spatial planning: 10 fractional worksTopology Optimization in…10Topology Optimization in Engineering: 10 fractional worksWireless Power Transfer Systems: 9 fractional worksChalcogenide Semiconductor Thin Films: 9 fractional worksMagnesium Alloys: Proper…8Magnesium Alloys: Properties and Applications: 8 fractional works
Electrical and Electronic EngineeringMechanical EngineeringControl and Systems EngineeringNature and Landscape Conservation2 others

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

  1. 1 Advanced DC-DC Converters Electrical and Electronic Engineering 19 works
  2. 2 Multilevel Inverters and Converters Electrical and Electronic Engineering 18 works
  3. 3 Electric Motor Design and Analysis Electrical and Electronic Engineering 14 works
  4. 4 Aluminum Alloys Composites Properties Mechanical Engineering 12 works
  5. 5 Microgrid Control and Optimization Control and Systems Engineering 12 works
  6. 6 Urban and spatial planning Nature and Landscape Conservation 10 works
  7. 7 Topology Optimization in Engineering Civil and Structural Engineering 10 works
  8. 8 Wireless Power Transfer Systems Electrical and Electronic Engineering 9 works
  9. 9 Chalcogenide Semiconductor Thin Films Electrical and Electronic Engineering 9 works
  10. 10 Magnesium Alloys: Properties and Applications Biomaterials 8 works

Research output over time

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more.