Hiroyuki Serizawa

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Hirakata, JP

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Patents Grantslast 30 patents

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Semiconductor laser device having monolithically formed active and...
- Patent number 4,899,360
- Issue date Feb 6, 1990
- Matsushita Electric Industrial Co., Ltd.
- Toshihiro Fujita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of fabricating compound semiconductor laser using selective...
- Patent number 4,843,031
- Issue date Jun 27, 1989
- Matsushita Electric Industrial Co., Ltd.
- Yuzaburo Ban
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device
- Patent number 4,794,608
- Issue date Dec 27, 1988
- Matsushita Electric Inductrial Co., Ltd.
- Toshihiro Fujita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optoelectronic semiconductor device
- Patent number 4,710,936
- Issue date Dec 1, 1987
- Matsushita Electric Industrial Co., Ltd.
- Jun Shibata
- H01 - BASIC ELECTRIC ELEMENTS