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Researcher · Fujitsu (Japan) · Japan

Toyoharu Ohata

Toyoharu Ohata publishes mostly in Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics and Materials Chemistry, on topics such as Semiconductor Quantum Structures and Devices, Semiconductor Lasers and Optical Devices and Solid State Laser Technologies.

OpenAlex
World rank
#2,821,797
of 7,710,434 ranked researchers
Rank in Japan
#60,893
of 383,136
Works
18
Citations
651
Citations per work
36.2
h-index
12
i10-index 12Top 41% in Electrical and Electronic Engineering
Toyoharu Ohata

What does Toyoharu Ohata research?

Toyoharu Ohata's work is mostly in Engineering (54%), Physics and Astronomy (37%), Materials Science (6%).

Physical Sciences: 18 works · 100.1% of their workEngineering: 10 works · 53.7% of their workElectrical and Electronic Engineering: 10 works · 53.7% of their workPhysics and Astronomy: 7 works · 37.1% of their workAtomic and Molecular Physics, and Optics: 6 works · 35.2% of their workCondensed Matter Physics: 0 works · 1.9% of their workMaterials Science: 1 works · 5.6% of their workMaterials Chemistry: 1 works · 5.6% of their workChemistry: 1 works · 3.7% of their workSpectroscopy: 1 works · 3.7% of their workTHEIR WORKToyoharu Ohata18works
Physical Sciences100%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Engineering1053.7%
    2. Physics and Astronomy737.1%
    3. Materials Science15.6%
    4. Chemistry13.7%
  1. 1Electrical and Electronic Engineering54% of their works
  2. 2Atomic and Molecular Physics, and Optics35% of their works
  3. 3Materials Chemistry6% of their works
  4. 4Spectroscopy4% of their works
  5. 5Condensed Matter Physics2% of their works

Research topics

Which keywords describe Toyoharu Ohata's research?

The keywords of their largest research topics: Photovoltaics, Semiconductor, Quantum Dots, Excitons, Single-Photon Source, Raman Lasers, Frequency Conversion and Optical Interconnects.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 22 words, with their numbers
  1. Photovoltaics253 topics
  2. Semiconductor222 topics
  3. Quantum Dots212 topics
  4. Excitons181 topic
  5. Single-Photon Source181 topic
  6. Raman Lasers142 topics
  7. Frequency Conversion92 topics
  8. Optical Interconnects91 topic
  9. Semiconductor Lasers91 topic
  10. Solid-State Lasers81 topic
  11. Ytterbium81 topic
  12. Nanocrystals72 topics
  13. Optical Modulators61 topic
  14. Silicon Photonics61 topic
  15. Efficiency41 topic
  16. Thin-Film Solar Cells41 topic
  17. Bioimaging31 topic
  18. Semiconductor Nanocrystals31 topic
  19. Spectroscopic Databases21 topic
  20. Terahertz Quantum-Cascade Lasers21 topic
  21. Electric Discharge11 topic
  22. Laser Oscillation11 topic

Where does Toyoharu Ohata work?

Toyoharu Ohata's main affiliation in the publication record is Fujitsu (Japan), Japan.

How many publications and citations does Toyoharu Ohata have?

OpenAlex counts 18 works and 651 citations for Toyoharu Ohata, an h-index of 12, ranking #2,821,797 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

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