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Company · Feldkirchen · Germany

Hitachi (Germany)

hitachi.eu/de-deROR OpenAlex
World rank, all time
#32,043
of 42,892
Rank in Germany
#1,497
of 2,077
Research works
124
▼ 35% vs 2013–17
Citations
1.3k
10.8 per fractional work
Top-10% rate
4.7%
record average 16.5%
Open access
26%
world 28%

What does Hitachi (Germany) specialise in?

Where its research is concentrated relative to its size: Engineering takes 5.0× the share of its output that it takes of world research.

  1. EngineeringField · 28.1 works5.0×
← 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.

Biochemistry, Genetics and Molecular Biology: 0.09× its world share, 0 worksBiochemistry, Geneti…Immunology and Microbiology: 0.07× its world share, 0 worksImmunology and Micro…Chemistry: 0.14× its world share, 0 worksChemistryComputer Science: 0.65× its world share, 2 worksComputer ScienceEnergy: 6.23× its world share, 2 worksEnergyEngineering: 5.02× its world share, 28 worksEngineeringMaterials Science: 1.64× its world share, 2 worksMaterials SciencePhysics and Astronomy: 1.10× its world share, 1 worksPhysics and AstronomyHealth Professions: 0.17× its world share, 0 worksHealth ProfessionsArts and Humanities: 0.15× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.42× its world share, 0 worksBusiness, Management…Decision Sciences: 1.69× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.10× its world share, 0 worksEconomics, Econometr…Psychology: 0.11× its world share, 0 worksPsychologySocial Sciences: 0.04× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Energy, 6.2×. Every wedge is a field page.

Which keywords describe research at Hitachi (Germany)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Renewable Energy, Optimization, Smart Grid, Renewable Energy Integration, Electric Vehicles, Dissolved Gas Analysis, Frequency Response Analysis and Model Predictive Control.

▲ 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. Renewable Energy8▲ 15×10 topics
  2. Optimization4▲ 21×10 topics
  3. Smart Grid4▲ 26×7 topics
  4. Renewable Energy Integration3▲ 26×6 topics
  5. Electric Vehicles3▲ 28×4 topics
  6. Sustainability3▲ 3.3×5 topics
  7. Dissolved Gas Analysis3▲ 342×1 topic
  8. Frequency Response Analysis3▲ 342×1 topic
  9. Model Predictive Control3▲ 27×4 topics
  10. Power Electronics3▲ 21×6 topics
  11. Control Systems2▲ 29×5 topics
  12. Energy Storage2▲ 8.1×4 topics
  13. Control Strategies2▲ 36×2 topics
  14. Distributed Generation2▲ 64×3 topics
  15. Energy Efficiency2▲ 5.3×7 topics
  16. Energy Storage Systems2▲ 32×2 topics
  17. Environmental Impact2▲ 2.8×4 topics
  18. Thermal Management2▲ 14×3 topics
  19. Renewable Resources2▲ 26×2 topics
  20. Voltage Control2▲ 62×2 topics
  21. Hybrid Vehicles2▲ 111×1 topic
  22. Neural Networks2▲ 2.6×2 topics
  23. Power Management Strategy2▲ 111×1 topic
  24. Electricity Price Forecasting1▲ 49×1 topic
  25. Fluid Dynamics1▲ 28×2 topics
  26. Load Forecasting1▲ 49×1 topic
  27. Mathematical Modeling1▲ 41×2 topics
  28. Dielectrics1▲ 111×1 topic
  29. Electrolysis1▲ 54×1 topic
  30. Hydrogen1▲ 42×1 topic
  31. Nanocomposites1▲ 4.4×1 topic
  32. Distribution Systems1▲ 93×1 topic
  33. Game Theory1▲ 19×2 topics
  34. Optimal Power Flow1▲ 93×1 topic
  35. Demand Response1▲ 33×1 topic
  36. Electric Drives1▲ 71×2 topics
  37. Energy Management1▲ 18×1 topic
  38. Vibration Analysis1▲ 11×2 topics
  39. Failure Analysis1▲ 27×3 topics
  40. Structural Analysis1▲ 28×3 topics

Which research topics does Hitachi (Germany) publish most on?

By volume in 2022–2025: Power Transformer Diagnostics and Insulation, Electric and Hybrid Vehicle Technologies, Energy Load and Power Forecasting and High voltage insulation and dielectric phenomena.

Power Transformer Diagnostics and Insulation: 3 fractional worksElectric and Hybrid Vehicle Technologies: 2 fractional worksEnergy Load and Power Fo…1Energy Load and Power Forecasting: 1 fractional worksHigh voltage insulation …1High voltage insulation and dielectric phenomena: 1 fractional worksHybrid Renewable Energy Systems: 1 fractional worksOptimal Power Flow Distribution: 1 fractional worksSmart Grid Energy Manage…1Smart Grid Energy Management: 1 fractional worksPhysics and Engineering Research Articles: 1 fractional worksIntegrated Energy Systems Optimization: 1 fractional worksMetallurgical Processes and Thermodynamics: 1 fractional works
Electrical and Electronic EngineeringAutomotive EngineeringMaterials ChemistryEnergy Engineering and Power Technology2 others

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

  1. 1 Power Transformer Diagnostics and Insulation Electrical and Electronic Engineering 3 works
  2. 2 Electric and Hybrid Vehicle Technologies Automotive Engineering 2 works
  3. 3 Energy Load and Power Forecasting Electrical and Electronic Engineering 1 works
  4. 4 High voltage insulation and dielectric phenomena Materials Chemistry 1 works
  5. 5 Hybrid Renewable Energy Systems Energy Engineering and Power Technology 1 works
  6. 6 Optimal Power Flow Distribution Electrical and Electronic Engineering 1 works
  7. 7 Smart Grid Energy Management Electrical and Electronic Engineering 1 works
  8. 8 Physics and Engineering Research Articles Computational Mechanics 1 works
  9. 9 Integrated Energy Systems Optimization Electrical and Electronic Engineering 1 works
  10. 10 Metallurgical Processes and Thermodynamics Mechanical 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 available26.2%not open73.8%

World: 28% of research is openly available.

with international co-authors40.7%domestic only59.3%

World: 19% is written across borders.

How has Hitachi (Germany)'s research output changed?

Output in 2018–2022 was 35% lower than in 2013–2017.

199520002005201020152020
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 Feldkirchen

All research institutions in Feldkirchen

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.