Koichiro Tonehira

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Yokoyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical module and optical transceiver
- Patent number 6,810,213
- Issue date Oct 26, 2004
- Hitachi, Ltd.
- Koichiro Tonehira
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor array module, method of fabricating the modul...
- Patent number 5,675,685
- Issue date Oct 7, 1997
- Hitachi Ltd.
- Kazuyuki Fukuda
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical module and optical transceiver
- Publication number 20020051268
- Publication date May 2, 2002
- Koichiro Tonehira
- G02 - OPTICS