Koji Yoshida

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Kokubunji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical module, method for manufacturing optical module and optical...
- Patent number 7,165,898
- Issue date Jan 23, 2007
- Hitachi, Ltd.
- Takeshil Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical module, method for manufacturing optical module and optical...
- Patent number 6,726,375
- Issue date Apr 27, 2004
- Hitachi, Ltd.
- Takeshil Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical communication equipment and optical communication network e...
- Patent number 6,721,511
- Issue date Apr 13, 2004
- Hitachi, Ltd.
- Kimio Tatsuno
- G02 - OPTICS
Information Patent Grant
Optical module, board mounted optical module, and assembly method o...
- Patent number 6,488,416
- Issue date Dec 3, 2002
- Hitachi, Ltd.
- Masato Shishikura
- G02 - OPTICS
Information Patent Grant
Optical module, method for manufacturing optical module and optical...
- Patent number 6,457,877
- Issue date Oct 1, 2002
- Hitachi, Ltd.
- Takeshil Kato
- G02 - OPTICS
Information Patent Grant
Optical module, method for manufacturing optical module and optical...
- Patent number 6,282,352
- Issue date Aug 28, 2001
- Hitachi, Ltd.
- Takeshi Kato
- G02 - OPTICS
Information Patent Grant
Optical module, method for manufacturing optical module and optical...
- Patent number 6,220,764
- Issue date Apr 24, 2001
- Hitachi, Ltd.
- Takeshi Kato
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical module, method for manufacturing optical module and optical...
- Publication number 20040165840
- Publication date Aug 26, 2004
- Hitachi, Ltd.
- Takeshi Kato
- G02 - OPTICS
Information Patent Application
Optical module, method for manufacturing optical module and optical...
- Publication number 20020197026
- Publication date Dec 26, 2002
- Hitachi, Ltd.
- Takeshil Kato
- G02 - OPTICS
Information Patent Application
Optical module, method for manufacturing optical module and optical...
- Publication number 20010009599
- Publication date Jul 26, 2001
- Hitachi, Ltd.
- Takeshil Kato
- G02 - OPTICS