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Company · Tokyo · Japan

NEC (Japan)

In research, NEC (Japan) stands highest in Engineering (#3,230 of 6,636 worldwide), Physical Sciences (#7,047 of 12,888 worldwide) and Computer Science (#2,895 of 4,667 worldwide), 2022–2025. Relative to its size it is most specialised in Computer Vision and Pattern Recognition, Electrical and Electronic Engineering and Artificial Intelligence — Computer Vision and Pattern Recognition is 8.0× its share of world research.

nec.comROR OpenAlex
World rank, 2022–2025
#12,148
of 28,054 · #847 all time
Rank in Japan
#304
of 1,070
Research works
13k
▼ 18% vs 2013–17
Citations
278k
21.7 per fractional work
Top-10% rate
9.1%
record average 16.5%
Open access
10%
world 28%

What is NEC (Japan) 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
EngineeringField #3,230 of 6,636 9.7%213 #481
Physical SciencesDomain #7,047 of 12,888 8.7%449 #581
Computer ScienceField #2,895 of 4,667 7.1%193 #489
Electrical and Electronic EngineeringSubfield #1,807 of 2,318 9.1%114 #216
Artificial IntelligenceSubfield #1,800 of 1,884 6.6%75 #626

Each strip is that field’s whole ranked pool, with the notch where NEC (Japan) 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).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Engineering#481 #3,230
  2. Physical Sciences#581 #7,047
  3. Computer Science#489 #2,895
  4. Electrical and Electronic Engineering#216 #1,807
  5. Artificial Intelligence#626 #1,800
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does NEC (Japan) specialise in?

Where its research is concentrated relative to its size: Computer Vision and Pattern Recognition takes 8.0× the share of its output that it takes of world research.

  1. Computer Vision and Pattern RecognitionSubfield · 54.9 works8.0×
  2. Electrical and Electronic EngineeringSubfield · 114.0 works5.8×
  3. Artificial IntelligenceSubfield · 74.9 works5.7×
  4. Computer Networks and CommunicationsSubfield · 24.3 works5.0×
  5. Computer ScienceField · 192.6 works4.5×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

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: 0.07× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.28× its world share, 8 worksBiochemistry, Geneti…Immunology and Microbiology: 0.22× its world share, 1 worksImmunology and Micro…Neuroscience: 0.35× its world share, 3 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.06× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.35× its world share, 1 worksChemical EngineeringChemistry: 0.08× its world share, 1 worksChemistryComputer Science: 4.53× its world share, 193 worksComputer ScienceEarth and Planetary Sciences: 0.56× its world share, 5 worksEarth and Planetary …Energy: 0.08× its world share, 0 worksEnergyEngineering: 2.60× its world share, 213 worksEngineeringEnvironmental Science: 0.19× its world share, 5 worksEnvironmental ScienceMaterials Science: 0.46× its world share, 9 worksMaterials ScienceMathematics: 0.74× its world share, 5 worksMathematicsPhysics and Astronomy: 1.54× its world share, 19 worksPhysics and AstronomyDentistry: 0.02× its world share, 0 worksDentistryHealth Professions: 0.49× its world share, 7 worksHealth ProfessionsMedicine: 0.32× its world share, 34 worksMedicineNursing: 0.19× its world share, 0 worksNursingArts and Humanities: 0.08× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.82× its world share, 14 worksBusiness, Management…Decision Sciences: 0.95× its world share, 5 worksDecision SciencesEconomics, Econometrics and Finance: 0.03× its world share, 0 worksEconomics, Econometr…Psychology: 0.49× its world share, 8 worksPsychologySocial Sciences: 0.17× its world share, 12 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Computer Science, 4.5×. Every wedge is a field page.

Who are the top researchers at NEC (Japan)?

Ranked on the composite score, Jun Furukawa, Naoki Abe and I. Mito lead among researchers whose main affiliation is NEC (Japan).

  1. 1 Jun Furukawa Japan · #83,053 worldwide 330 citations · 39 works
  2. 2 Naoki Abe Japan · #123,258 worldwide 237 citations · 37 works
  3. 3 I. Mito Japan · #139,252 worldwide 171 citations · 36 works
  4. 4 Hiroyuki Miyamoto Japan · #149,068 worldwide 117 citations · 30 works
  5. 5 R. Lang Japan · #161,549 worldwide 802 citations · 18 works
  6. 6 Kazue Sako Japan · #163,516 worldwide 279 citations · 20 works
  7. 7 Akihiko Ishitani Japan · #164,834 worldwide 160 citations · 27 works
  8. 8 M. Sugimoto Japan · #178,048 worldwide 169 citations · 39 works
  9. 9 K. Ohata Japan · #197,374 worldwide 220 citations · 44 works
  10. 10 M. Fukaishi Japan · #199,528 worldwide 119 citations · 23 works
All ranked researchers at NEC (Japan)

Which keywords describe research at NEC (Japan)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Deep Learning, Neural Networks, Convolutional Neural Networks, Optical Fiber, Energy Efficiency, Machine Learning, Digital Signal Processing and Coherent Detection.

▲ 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. Deep Learning89▲ 4.8×65 topics
  2. Machine Learning37▲ 2.1×52 topics
  3. Neural Networks32▲ 3.8×26 topics
  4. Energy Efficiency25▲ 4.8×16 topics
  5. Convolutional Neural Networks24▲ 6.1×14 topics
  6. Optical Fiber20▲ 35×3 topics
  7. Digital Signal Processing16▲ 58×2 topics
  8. Coherent Detection15▲ 65×1 topic
  9. Nonlinear Effects15▲ 65×1 topic
  10. Microwave Photonics14▲ 30×2 topics
  11. Security Analysis13▲ 14×4 topics
  12. Security13▲ 3.6×17 topics
  13. Optical Access Networks13▲ 70×1 topic
  14. Photonic Signal Processing13▲ 70×1 topic
  15. Integrated Circuits13▲ 15×3 topics
  16. Massive MIMO12▲ 26×3 topics
  17. Cryptanalysis11▲ 23×4 topics
  18. Spectral Efficiency10▲ 29×2 topics
  19. Feature Extraction10▲ 4.1×8 topics
  20. Channel Modeling10▲ 15×4 topics
  21. Wireless Networks10▲ 12×7 topics
  22. Elastic Optical Networks10▲ 113×1 topic
  23. Optical Networks10▲ 113×1 topic
  24. Anomaly Detection10▲ 5.9×4 topics
  25. Computer Vision9▲ 6.0×4 topics
  26. Heterogeneous Networks9▲ 17×2 topics
  27. Surveillance9▲ 6.0×3 topics
  28. Image Classification8▲ 8.9×2 topics
  29. 5G8▲ 27×3 topics
  30. Pose Estimation8▲ 13×3 topics
  31. Multi-Agent Systems8▲ 7.7×6 topics
  32. Silicon Photonics8▲ 13×2 topics
  33. Cellular Networks8▲ 29×1 topic
  34. Interference Alignment8▲ 29×1 topic
  35. Side-Channel Attacks8▲ 30×3 topics
  36. Time Series8▲ 7.8×2 topics
  37. Beamforming8▲ 13×3 topics
  38. Meta-Learning8▲ 17×2 topics
  39. Optical Modulators7▲ 9.2×3 topics
  40. Convolutional Networks7▲ 9.4×3 topics

Which research topics does NEC (Japan) publish most on?

By volume in 2022–2025: Optical Network Technologies, Advanced Photonic Communication Systems, Advanced Optical Network Technologies and Advanced MIMO Systems Optimization.

Optical Network Technologies: 15 fractional worksAdvanced Photonic Communication Systems: 13 fractional worksAdvanced Optical Network…10Advanced Optical Network Technologies: 10 fractional worksAdvanced MIMO Systems Op…8Advanced MIMO Systems Optimization: 8 fractional worksPhotonic and Optical Devices: 7 fractional worksAdvanced Neural Network Applications: 7 fractional worksCryptographic Implementa…6Cryptographic Implementations and Security: 6 fractional worksSemiconductor Lasers and Optical Devices: 6 fractional worksAnomaly Detection Techniques and Applications: 6 fractional worksAdvanced Fiber Optic Sensors: 5 fractional works
Electrical and Electronic EngineeringComputer Vision and Pattern RecognitionArtificial Intelligence

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

  1. 1 Optical Network Technologies Electrical and Electronic Engineering 15 works
  2. 2 Advanced Photonic Communication Systems Electrical and Electronic Engineering 13 works
  3. 3 Advanced Optical Network Technologies Electrical and Electronic Engineering 10 works
  4. 4 Advanced MIMO Systems Optimization Electrical and Electronic Engineering 8 works
  5. 5 Photonic and Optical Devices Electrical and Electronic Engineering 7 works
  6. 6 Advanced Neural Network Applications Computer Vision and Pattern Recognition 7 works
  7. 7 Cryptographic Implementations and Security Artificial Intelligence 6 works
  8. 8 Semiconductor Lasers and Optical Devices Electrical and Electronic Engineering 6 works
  9. 9 Anomaly Detection Techniques and Applications Artificial Intelligence 6 works
  10. 10 Advanced Fiber Optic Sensors Electrical and Electronic Engineering 5 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 available10.3%not open89.7%

World: 28% of research is openly available.

with international co-authors8.0%domestic only92.0%

World: 19% is written across borders.

How has NEC (Japan)'s research output changed?

Output in 2018–2022 was 18% 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.