Takako Okabe

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Kusatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stem for semiconductor laser devices
- Patent number 4,488,304
- Issue date Dec 11, 1984
- Matsushita Electric Industrial Co., Ltd.
- Hirokazu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Terraced substrate semiconductor laser
- Patent number 4,392,228
- Issue date Jul 5, 1983
- Matsushita Electric Industrial Co., Ltd.
- Takako Okabe
- H01 - BASIC ELECTRIC ELEMENTS