Noriaki Sekine

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Atsugi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Circuit board and method of producing circuit board
- Patent number 5,119,272
- Issue date Jun 2, 1992
- Mitsumi Electric Co., Ltd.
- Sadahiro Ohyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Connector comprising a plug having a built-in optoelectronic conver...
- Patent number 4,756,593
- Issue date Jul 12, 1988
- Hitachi, Ltd.
- Yasumasa Koakutsu
- G02 - OPTICS
Information Patent Grant
Optical transmitting and/or receiving module
- Patent number 4,737,008
- Issue date Apr 12, 1988
- Mitsumi Electric Co., Ltd.
- Sadahiro Ohyama
- G02 - OPTICS