Tatsuo Yokotsuka

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Patents Grantslast 30 patents

Information Patent Grant
Thermal decomposition cell
- Patent number 5,222,074
- Issue date Jun 22, 1993
- Matsushita Electric Industrial Co., Ltd.
- Kiyoshi Uchiyama
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for fabricating a semiconductor laser device in which the P-...
- Patent number 5,190,891
- Issue date Mar 2, 1993
- Matsushita Electric Industrial Co., Ltd.
- Tatsuo Yokotsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser device comprising a SiGe single crystal substrate
- Patent number 5,164,950
- Issue date Nov 17, 1992
- Matsushita Electric Industrial Co., Ltd.
- Tatsuo Yokotsuka
- H01 - BASIC ELECTRIC ELEMENTS