Hidehiko Negishi

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Patents Grantslast 30 patents

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Optic rotation sensing apparatus and related method including provi...
- Patent number 5,285,257
- Issue date Feb 8, 1994
- Matsushita Electric Industrial Co., Ltd.
- Hidehiko Negishi
- G01 - MEASURING TESTING
Information Patent Grant
Fiber-optic coil and method of manufacturing same
- Patent number 5,168,539
- Issue date Dec 1, 1992
- Matsushita Electric Industrial Co., Ltd.
- Hidehiko Negishi
- G02 - OPTICS
Information Patent Grant
Optical phase modulator with asymmetric piezoelectric vibrator
- Patent number 5,101,449
- Issue date Mar 31, 1992
- Matsushita Electric Industrial Co., Ltd.
- Yoshinori Takeuchi
- G02 - OPTICS