Shigeo Sugou

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for fabricating semiconductor laser and photo detecting arra...
- Patent number 5,527,732
- Issue date Jun 18, 1996
- NEC Corporation
- Kenichi Kasahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Buried heterostructure semiconductor laser with high-resistivity se...
- Patent number 4,815,083
- Issue date Mar 21, 1989
- NEC Corporation
- Shigeo Sugou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser
- Patent number 4,791,647
- Issue date Dec 13, 1988
- NEC Corporation
- Shigeo Sugou
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR LIGHT EMITTING ELEMENT
- Publication number 20100074289
- Publication date Mar 25, 2010
- NEC Corporation
- Ryuji Kobayashi
- G11 - INFORMATION STORAGE