Kentaro Doguchi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pin type light-receiving device, opto electronic conversion circuit...
- Patent number 5,712,504
- Issue date Jan 27, 1998
- Sumitomo Electric Industries, Ltd.
- Hiroshi Yano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical link apparatus
- Patent number 5,546,489
- Issue date Aug 13, 1996
- Sumitomo Electric Industries, Ltd.
- Goro Sasaki
- G02 - OPTICS
Information Patent Grant
Opto-electronic integrated circuit
- Patent number 5,489,798
- Issue date Feb 6, 1996
- Sumitomo Electric Industries, Ltd.
- Kentaro Doguchi
- H01 - BASIC ELECTRIC ELEMENTS