Sadahiro Ohyama

Follow

Person

Chigasaki, Chigasaki-City, Kanagawa-ken, JP

People

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
Drum assembly for a magnetic recording and reproducing apparatus
- Patent number 4,851,935
- Issue date Jul 25, 1989
- Mitsumi Electric Co., Ltd.
- Sadahiro Ohyama
- G11 - INFORMATION STORAGE
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
Information Patent Grant
Printed circuit device
- Patent number 4,437,140
- Issue date Mar 13, 1984
- Mitsumi Electric Co. Ltd.
- Sadahiro Ohyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High-frequency circuit device having a circuit board fixed to a shi...
- Patent number 4,404,617
- Issue date Sep 13, 1983
- Sadahiro Ohyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR