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Hitachi Global Storage Technologies (United States)

In research, Hitachi Global Storage Technologies (United States) stands highest in Physical Sciences (#10,149 of 12,888 worldwide), 2022–2025.

hgst.comROR OpenAlex
World rank, 2022–2025
#19,530
of 28,054 · #3,653 all time
Rank in United States
#2,843
of 4,192
Research works
1.2k
▼ 13% vs 2013–17
Citations
25k
21.3 per fractional work
Top-10% rate
17.7%
record average 16.5%
Open access
25%
world 28%

What is Hitachi Global Storage Technologies (United States) 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 #10,149 of 12,888 18.9%90 #2329

Each strip is that field’s whole ranked pool, with the notch where Hitachi Global Storage Technologies (United States) 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: 0.13× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.26× its world share, 2 worksBiochemistry, Geneti…Neuroscience: 0.04× its world share, 0 worksNeuroscienceChemical Engineering: 0.90× its world share, 0 worksChemical EngineeringChemistry: 0.45× its world share, 1 worksChemistryComputer Science: 2.96× its world share, 24 worksComputer ScienceEarth and Planetary Sciences: 0.20× its world share, 0 worksEarth and Planetary …Energy: 1.99× its world share, 2 worksEnergyEngineering: 3.37× its world share, 54 worksEngineeringEnvironmental Science: 0.47× its world share, 2 worksEnvironmental ScienceMaterials Science: 1.13× its world share, 4 worksMaterials ScienceMathematics: 0.13× its world share, 0 worksMathematicsPhysics and Astronomy: 0.74× its world share, 2 worksPhysics and AstronomyHealth Professions: 0.61× its world share, 2 worksHealth ProfessionsMedicine: 0.12× its world share, 2 worksMedicineArts and Humanities: 0.19× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 1.01× its world share, 3 worksBusiness, Management…Decision Sciences: 3.20× its world share, 3 worksDecision SciencesEconomics, Econometrics and Finance: 0.51× its world share, 1 worksEconomics, Econometr…Psychology: 0.18× its world share, 1 worksPsychologySocial Sciences: 0.05× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Engineering, 3.4×. Every wedge is a field page.

Who are the top researchers at Hitachi Global Storage Technologies (United States)?

Ranked on the composite score, J. A. Katine, Olav Hellwig and Hoa Do lead among researchers whose main affiliation is Hitachi Global Storage Technologies (United States).

  1. 1 J. A. Katine United States · #16,160 worldwide 645 citations · 57 works
  2. 2 Olav Hellwig United States · #125,294 worldwide 243 citations · 58 works
  3. 3 Hoa Do United States · #152,733 worldwide 190 citations · 38 works
  4. 4 Roger Wood United States · #166,993 worldwide 355 citations · 84 works
  5. 5 Jan-Ulrich Thiele United States · #222,204 worldwide 207 citations · 23 works
  6. 6 M. Williams United States · #223,097 worldwide 156 citations · 22 works
  7. 7 Brian York United States · #252,638 worldwide 108 citations · 24 works
  8. 8 Zvonimir Bandić United States · #277,077 worldwide 118 citations · 21 works
  9. 9 S. Maat United States · #282,100 worldwide 174 citations · 18 works
  10. 10 J. R. Childress United States · #286,323 worldwide 111 citations · 33 works
All ranked researchers at Hitachi Global Storage Technologies (United States)

Which keywords describe research at Hitachi Global Storage Technologies (United States)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Deep Learning, Machine Learning, Neural Networks, Renewable Energy, Smart Grid, Power Electronics, Fault Detection and Time Series.

▲ 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 Learning15▲ 4.2×37 topics
  2. Machine Learning10▲ 3.0×24 topics
  3. Neural Networks8▲ 4.9×15 topics
  4. Renewable Energy7▲ 4.6×13 topics
  5. Smart Grid5▲ 12×7 topics
  6. Sustainability4▲ 1.54×10 topics
  7. Power Electronics4▲ 11×6 topics
  8. Fault Detection4▲ 25×3 topics
  9. Energy Efficiency3▲ 3.4×8 topics
  10. Security3▲ 4.8×5 topics
  11. Time Series3▲ 18×3 topics
  12. Big Data3▲ 3.2×6 topics
  13. Control Systems3▲ 15×4 topics
  14. Healthcare3▲ 2.5×5 topics
  15. Voltage Control3▲ 39×2 topics
  16. Internet of Things3▲ 3.0×7 topics
  17. Anomaly Detection2▲ 8.1×3 topics
  18. Cloud Computing2▲ 8.1×3 topics
  19. Privacy2▲ 7.6×3 topics
  20. Distributed Generation2▲ 27×3 topics
  21. Electric Vehicles2▲ 7.2×3 topics
  22. Feature Extraction2▲ 4.6×5 topics
  23. Genetic Algorithm2▲ 15×3 topics
  24. Simulation2▲ 8.2×3 topics
  25. Distributed Systems2▲ 12×2 topics
  26. Offshore Wind Farms2▲ 32×2 topics
  27. Cyber-Physical Systems2▲ 7.3×2 topics
  28. Resource Management2▲ 11×2 topics
  29. Smart Grid Applications2▲ 15×2 topics
  30. Numerical Simulation2▲ 6.0×5 topics
  31. Control Strategies2▲ 12×2 topics
  32. Neural Network2▲ 9.0×5 topics
  33. Power Systems2▲ 16×2 topics
  34. MapReduce2▲ 28×1 topic
  35. Outlier Detection2▲ 11×1 topic
  36. Unsupervised2▲ 14×1 topic
  37. Virtualization2▲ 21×1 topic
  38. Wavelet Transform2▲ 7.0×4 topics
  39. HVDC Transmission2▲ 30×1 topic
  40. Modular Multilevel Converters2▲ 44×1 topic

Which research topics does Hitachi Global Storage Technologies (United States) publish most on?

By volume in 2022–2025: Cloud Computing and Resource Management, Anomaly Detection Techniques and Applications, HVDC Systems and Fault Protection and Fault Detection and Control Systems.

Cloud Computing and Reso…2Cloud Computing and Resource Management: 2 fractional worksAnomaly Detection Techni…2Anomaly Detection Techniques and Applications: 2 fractional worksHVDC Systems and Fault Protection: 2 fractional worksFault Detection and Cont…2Fault Detection and Control Systems: 2 fractional worksSmart Grid Security and …2Smart Grid Security and Resilience: 2 fractional worksSemiconductor materials and devices: 1 fractional worksPower System Optimization and Stability: 1 fractional worksOptimal Power Flow Distr…1Optimal Power Flow Distribution: 1 fractional worksPower Transformer Diagnostics and Insulation: 1 fractional worksScheduling and Optimization Algorithms: 1 fractional works
Information SystemsArtificial IntelligenceElectrical and Electronic EngineeringControl and Systems Engineering1 others

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

  1. 1 Cloud Computing and Resource Management Information Systems 2 works
  2. 2 Anomaly Detection Techniques and Applications Artificial Intelligence 2 works
  3. 3 HVDC Systems and Fault Protection Electrical and Electronic Engineering 2 works
  4. 4 Fault Detection and Control Systems Control and Systems Engineering 2 works
  5. 5 Smart Grid Security and Resilience Control and Systems Engineering 2 works
  6. 6 Semiconductor materials and devices Electrical and Electronic Engineering 1 works
  7. 7 Power System Optimization and Stability Electrical and Electronic Engineering 1 works
  8. 8 Optimal Power Flow Distribution Electrical and Electronic Engineering 1 works
  9. 9 Power Transformer Diagnostics and Insulation Electrical and Electronic Engineering 1 works
  10. 10 Scheduling and Optimization Algorithms Industrial and Manufacturing 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 available25.2%not open74.8%

World: 28% of research is openly available.

with international co-authors33.2%domestic only66.8%

World: 19% is written across borders.

How has Hitachi Global Storage Technologies (United States)'s research output changed?

Output in 2018–2022 was 13% 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 San Jose

All research institutions in San Jose

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.