Hiroo Yonezu

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor laser device equipped with a silicon heat sink
- Patent number 4,092,614
- Issue date May 30, 1978
- Nippon Electric Co., Ltd.
- Isamu Sakuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hermetically-sealed injection semiconductor laser device
- Patent number 4,003,074
- Issue date Jan 11, 1977
- Nippon Selfoc Co., Ltd.
- Hiroo Yonezu
- G02 - OPTICS
Information Patent Grant
Double heterostructure stripe geometry semiconductor laser device
- Patent number 3,993,964
- Issue date Nov 23, 1976
- Nippon Electric Company, Ltd.
- Hiroo Yonezu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Injection semiconductor laser device
- Patent number 3,946,334
- Issue date Mar 23, 1976
- Nippon Electric Company, Limited
- Hiroo Yonezu
- H01 - BASIC ELECTRIC ELEMENTS