Yoshiaki Niwa

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-frequency transmission line and an optical module incorporatin...
- Patent number 7,177,549
- Issue date Feb 13, 2007
- OpNext Japan, Inc.
- Naoki Matsushima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical module and optical transmission apparatus
- Patent number 7,027,674
- Issue date Apr 11, 2006
- OpNext Japan, Inc.
- Naoki Matsushima
- G02 - OPTICS
Information Patent Grant
Optical coupling apparatus
- Patent number 7,011,457
- Issue date Mar 14, 2006
- OpNext Japan, Inc.
- Kazuyuki Fukuda
- G02 - OPTICS
Information Patent Grant
Semiconductor laser module
- Patent number 6,961,357
- Issue date Nov 1, 2005
- OpNext Japan, Inc.
- Hiroshi Moriya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical module and method for manufacturing optical module
- Patent number 6,937,406
- Issue date Aug 30, 2005
- OpNext Japan, Inc.
- Naoki Matsushima
- G02 - OPTICS
Information Patent Grant
Transmission line, optical module using the same and manufacturing...
- Patent number 6,856,442
- Issue date Feb 15, 2005
- OpNext Japan, Inc.
- Naoki Matsushima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical coupling apparatus
- Patent number 6,821,030
- Issue date Nov 23, 2004
- OpNext Japan, Inc.
- Kazuyuki Fukuda
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical coupling apparatus
- Publication number 20050063649
- Publication date Mar 24, 2005
- Kazuyuki Fukuda
- G02 - OPTICS
Information Patent Application
Optical module and optical transmission apparatus
- Publication number 20040264835
- Publication date Dec 30, 2004
- Hitachi, Ltd
- Naoki Matsushima
- G02 - OPTICS
Information Patent Application
Optical module and method for manufacturing optical module
- Publication number 20040240087
- Publication date Dec 2, 2004
- OpNext Japan, Inc.
- Naoki Matsushima
- G02 - OPTICS
Information Patent Application
Semiconductor laser module
- Publication number 20040233951
- Publication date Nov 25, 2004
- OPNEX
- Hiroshi Moriya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Transmission line, optical module using the same and manufacturing...
- Publication number 20040070811
- Publication date Apr 15, 2004
- OpNext Japan, Inc.
- Naoki Matsushima
- G02 - OPTICS
Information Patent Application
High-frequency transmission line and an optical module incorporatin...
- Publication number 20030202800
- Publication date Oct 30, 2003
- OpNext Japan, Inc.
- Naoki Matsushima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical coupling apparatus
- Publication number 20030174976
- Publication date Sep 18, 2003
- Kazuyuki Fukuda
- G02 - OPTICS