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University · Nagasaki · Japan

Nagasaki Institute of Applied Science

In research, Nagasaki Institute of Applied Science stands highest in Physical Sciences (#11,765 of 12,888 worldwide), 2022–2025.

nias.ac.jpROR OpenAlex
World rank, 2022–2025
#19,738
of 28,054 · #15,456 all time
Rank in Japan
#565
of 1,070
Research works
870
▲ 3% vs 2013–17
Citations
9.1k
10.4 per fractional work
Top-10% rate
7.0%
record average 16.5%
Open access
36%
world 28%

What is Nagasaki Institute of Applied Science known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #11,765 of 12,888 6.6%73 #10662

Each strip is that field’s whole ranked pool, with the notch where Nagasaki Institute of Applied Science sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

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: 1.84× its world share, 11 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.45× its world share, 10 worksBiochemistry, Geneti…Immunology and Microbiology: 1.84× its world share, 2 worksImmunology and Micro…Neuroscience: 2.66× its world share, 6 worksNeuroscienceChemistry: 0.98× its world share, 2 worksChemistryComputer Science: 0.61× its world share, 6 worksComputer ScienceEarth and Planetary Sciences: 2.08× its world share, 4 worksEarth and Planetary …Energy: 1.67× its world share, 2 worksEnergyEngineering: 2.32× its world share, 45 worksEngineeringEnvironmental Science: 1.35× its world share, 9 worksEnvironmental ScienceMaterials Science: 0.18× its world share, 1 worksMaterials ScienceMathematics: 0.44× its world share, 1 worksMathematicsPhysics and Astronomy: 1.45× its world share, 4 worksPhysics and AstronomyDentistry: 0.39× its world share, 0 worksDentistryHealth Professions: 0.33× its world share, 1 worksHealth ProfessionsMedicine: 0.77× its world share, 19 worksMedicineNursing: 0.07× its world share, 0 worksNursingArts and Humanities: 0.02× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.33× its world share, 1 worksBusiness, Management…Decision Sciences: 0.25× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.02× its world share, 0 worksEconomics, Econometr…Psychology: 0.48× its world share, 2 worksPsychologySocial Sciences: 0.14× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Neuroscience, 2.7×. Every wedge is a field page.

Who are the top researchers at Nagasaki Institute of Applied Science?

Ranked on the composite score, Hiroyuki Takai, Tomonori Murakami and Tadakazu TANINO lead among researchers whose main affiliation is Nagasaki Institute of Applied Science.

  1. 1 Hiroyuki Takai Japan · #97,037 worldwide 214 citations · 26 works
  2. 2 Tomonori Murakami Japan · #862,226 worldwide 27 citations · 15 works
  3. 3 Tadakazu TANINO Japan · #871,755 worldwide 22 citations · 18 works
  4. 4 Takeshi Teramoto Japan · #938,404 worldwide 0 citations · 16 works
  5. 5 Kohei Nakamura Japan · #971,833 worldwide 28 citations · 23 works
  6. 6 Yuji Mizuno Japan · #981,842 worldwide 29 citations · 42 works
  7. 7 K. Kiyoyama Japan · #1,051,148 worldwide 42 citations · 22 works
  8. 8 Mohan Japan · #1,244,204 worldwide 21 citations · 50 works
  9. 9 Takashi Kato Japan · #1,250,220 worldwide 45 citations · 32 works
  10. 10 Haruma Yoshinaga Japan · #1,257,343 worldwide 5 citations · 16 works
All ranked researchers at Nagasaki Institute of Applied Science

Which keywords describe research at Nagasaki Institute of Applied Science?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Power Electronics, Renewable Energy Integration, Electric Vehicle Charging, DC-DC Converters, High-Frequency Power Conversion, Wireless Sensor Networks, Deep Learning and Aquaculture.

▲ 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 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. Power Electronics10▲ 23×5 topics
  2. Renewable Energy Integration10▲ 22×4 topics
  3. Deep Learning8▲ 1.85×21 topics
  4. Machine Learning7▲ 1.71×15 topics
  5. Electric Vehicle Charging6▲ 52×2 topics
  6. Renewable Energy6▲ 3.0×15 topics
  7. Climate Change6▲ 1.61×23 topics
  8. DC-DC Converters5▲ 69×1 topic
  9. High-Frequency Power Conversion5▲ 69×1 topic
  10. Wireless Sensor Networks5▲ 8.0×3 topics
  11. Aquaculture4▲ 11×5 topics
  12. Thermal Management4▲ 8.5×2 topics
  13. Environmental Monitoring4▲ 7.4×3 topics
  14. Electric Vehicles3▲ 9.0×3 topics
  15. Image Processing3▲ 6.0×4 topics
  16. Model Predictive Control3▲ 8.9×3 topics
  17. Plant Disease Detection3▲ 22×1 topic
  18. Smart Farming3▲ 20×1 topic
  19. Autoantibodies3▲ 9.2×5 topics
  20. Numerical Simulation3▲ 7.1×3 topics
  21. Multilevel Converters3▲ 36×1 topic
  22. Voltage Source Inverters3▲ 36×1 topic
  23. Design Optimization2▲ 49×1 topic
  24. Nonlinear Dynamics2▲ 8.8×4 topics
  25. Structural Analysis2▲ 21×1 topic
  26. Lithium-ion Batteries2▲ 4.2×3 topics
  27. Battery Management Systems2▲ 10×1 topic
  28. Reliability2▲ 21×2 topics
  29. Thermal Runaway2▲ 10×1 topic
  30. Sensor Networks2▲ 6.2×3 topics
  31. Fatty Acids2▲ 14×2 topics
  32. Fisheries Sustainability2▲ 17×2 topics
  33. Control Strategies2▲ 9.9×3 topics
  34. Ecosystem Management2▲ 23×2 topics
  35. Efficiency Optimization2▲ 27×2 topics
  36. Fish Feed2▲ 24×1 topic
  37. Gonadal Development2▲ 46×2 topics
  38. Silicon Carbide2▲ 26×1 topic
  39. Sustainable Feeds2▲ 24×1 topic
  40. Wide Bandgap Semiconductors2▲ 30×1 topic

Which research topics does Nagasaki Institute of Applied Science publish most on?

By volume in 2022–2025: Advanced DC-DC Converters, Smart Agriculture and AI, Multilevel Inverters and Converters and Engineering Applied Research.

Advanced DC-DC Converters5Advanced DC-DC Converters: 5 fractional worksSmart Agriculture and AI: 3 fractional worksMultilevel Inverters and…3Multilevel Inverters and Converters: 3 fractional worksEngineering Applied Rese…2Engineering Applied Research: 2 fractional worksAdvanced Battery Technologies Research: 2 fractional worksSilicon Carbide Semiconductor Technologies: 2 fractional worksAquaculture Nutrition an…2Aquaculture Nutrition and Growth: 2 fractional worksMarine and fisheries research: 2 fractional worksAdvanced Chemical Physics Studies: 1 fractional worksUnderwater Vehicles and Communication Systems: 1 fractional works
Electrical and Electronic EngineeringPlant ScienceCivil and Structural EngineeringAutomotive Engineering4 others

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

  1. 1 Advanced DC-DC Converters Electrical and Electronic Engineering 5 works
  2. 2 Smart Agriculture and AI Plant Science 3 works
  3. 3 Multilevel Inverters and Converters Electrical and Electronic Engineering 3 works
  4. 4 Engineering Applied Research Civil and Structural Engineering 2 works
  5. 5 Advanced Battery Technologies Research Automotive Engineering 2 works
  6. 6 Silicon Carbide Semiconductor Technologies Electrical and Electronic Engineering 2 works
  7. 7 Aquaculture Nutrition and Growth Aquatic Science 2 works
  8. 8 Marine and fisheries research Global and Planetary Change 2 works
  9. 9 Advanced Chemical Physics Studies Atomic and Molecular Physics, and Optics 1 works
  10. 10 Underwater Vehicles and Communication Systems Ocean Engineering 1 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 available36.5%not open63.5%

World: 28% of research is openly available.

with international co-authors16.0%domestic only84.0%

World: 19% is written across borders.

How has Nagasaki Institute of Applied Science's research output changed?

Output in 2018–2022 was 3% higher 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 Nagasaki

All research institutions in Nagasaki

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.