Katuaki Chiba

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Kokubunji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Parallel optical switching apparatus
- Patent number 5,386,310
- Issue date Jan 31, 1995
- Hitachi, Ltd.
- Makoto Haneda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor laser device
- Patent number 4,901,325
- Issue date Feb 13, 1990
- Hitachi, Ltd.
- Takeshi Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating composite structure
- Patent number 4,819,857
- Issue date Apr 11, 1989
- Hitachi, Ltd.
- Kenichi Mizuishi
- H01 - BASIC ELECTRIC ELEMENTS
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Optical coupling device and method of making the same
- Patent number 4,812,002
- Issue date Mar 14, 1989
- Hitachi, Ltd.
- Takeshi Kato
- G02 - OPTICS
Information Patent Grant
Cooling module for integrated circuit chips
- Patent number 4,644,385
- Issue date Feb 17, 1987
- Hitachi, Ltd.
- Keiichirou Nakanishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mount for a light emitting device
- Patent number 4,174,491
- Issue date Nov 13, 1979
- Hitachi, Ltd.
- Satoshi Nakamura
- G02 - OPTICS