Inventor

OHKI YOSHIMASA

8 patents

⚠️ This page may combine multiple inventors who share the name “OHKI YOSHIMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

7 patents

US4476620AOct 16, 1984

Method of making a gallium nitride light-emitting diode

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD69 citations96

US4473938AOct 2, 1984

Method for making a GaN electroluminescent semiconductor device utilizing epitaxial deposition

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations96

US4396929AAug 2, 1983

Tubular graphite body capable of storing hydrogen gas and its manufacturing method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations51

JAPAN RES DEV CORP

1 patent

US5863601AJan 26, 1999

Process of producing graphite fiber

JAPAN RES DEV CORP34 citations91

OHKI YOSHIMASA

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Method of making a gallium nitride light-emitting diode

Method for making a GaN electroluminescent semiconductor device utilizing epitaxial deposition

Gallium nitride light-emitting element and method of manufacturing the same

Fabricating method of micro lens

GaN Electroluminescent semiconductor device and method for making the same

Method of producing defectless epitaxial layer of gallium

Tubular graphite body capable of storing hydrogen gas and its manufacturing method

JAPAN RES DEV CORP

Process of producing graphite fiber