Hajime Okumura

Statistics

Publications

334

Citations

11.6K

H-Index

Active since

1968

Affiliations

National Institute of Advanced Industrial Science and Technology(Current)

The University of Tokyo

University of Tsukuba

Fuji Electric (Japan)

Hajime Okumura is an author at National Institute of Advanced Industrial Science and Technology specializing in engineering, applied physics, and electrical engineering.

ORCID

Top concepts

EngineeringApplied PhysicsMaterial ScienceElectrical EngineeringMaterials EngineeringPhysicsMicroelectronicsNanoelectronicsSurface ScienceOptoelectronics

Publications per year

1968–2022

334

Publications

334

Present Status and Future Prospect of Widegap Semiconductor High-Power Devices

Hajime Okumura · Japanese Journal of Applied Physics · 2006 · 325 citations

Wide-bandgap Semiconductor, Engineering, Power Devices +16

Epitaxial growth of cubic and hexagonal GaN on GaAs by gas-source molecular-beam epitaxy

Hajime Okumura, S. Misawa, S. Yoshida · Applied Physics Letters · 1991 · 223 citations

Wide-bandgap Semiconductor, Engineering, Semiconductors +16

Monochromator for a soft X-ray photochemistry beamline BL27SU of SPring-8

Haruhiko Ohashi, Eiji Ishiguro, Y. Tamenori et al. · Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment · 2001 · 197 citations

Materials Science, Optical Materials, X-ray Spectroscopy +9

The activity and expression of thymidine phosphorylase in human solid tumours

Yuji Takebayashi, Kazutaka Yamada, Kazutaka Miyadera et al. · European Journal of Cancer · 1996 · 183 citations

Tumor Biology, Human Solid Tumours, Biochemistry +6

Growth and characterization of cubic GaN

Hajime Okumura, Katsumi Ohta, G. Feuillet et al. · Journal of Crystal Growth · 1997 · 182 citations

Categoryiii-v Semiconductor, Applied Physics, Gan Power Device +1

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1–5 of 334