Hirofumi Nakagawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical module
- Patent number 11,102,884
- Issue date Aug 24, 2021
- CIG PHOTONICS JAPAN LIMITED
- Shigeru Mieda
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Optical output module, optical transceiver, and optical transmissio...
- Patent number 8,909,067
- Issue date Dec 9, 2014
- Oclaro Japan, Inc.
- Kouji Takeguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical module
- Patent number 8,467,118
- Issue date Jun 18, 2013
- Oclaro Japan, Inc.
- Osamu Kagaya
- G02 - OPTICS
Information Patent Grant
Optical receiver module and optical receiver module system
- Patent number 7,466,930
- Issue date Dec 16, 2008
- OpNext Japan, Inc.
- Mitsuo Akashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication device, optical transmitter, optical transmit...
- Patent number 7,313,331
- Issue date Dec 25, 2007
- OpNext Japan, Inc.
- Mitsuo Akashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MODULE
- Publication number 20210100097
- Publication date Apr 1, 2021
- CIG Photonics Japan Limited
- Shigeru MIEDA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
OPTICAL OUTPUT MODULE, OPTICAL TRANSCEIVER, AND OPTICAL TRANSMISSIO...
- Publication number 20120301153
- Publication date Nov 29, 2012
- OpNext Japan, Inc.
- Kouji TAKEGUCHI
- G02 - OPTICS
Information Patent Application
OPTICAL MODULE
- Publication number 20110188108
- Publication date Aug 4, 2011
- Opnext Japan, Inc.
- Osamu KAGAYA
- G02 - OPTICS
Information Patent Application
Optical receiver module and optical receiver module system
- Publication number 20060275043
- Publication date Dec 7, 2006
- Mitsuo Akashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical communication device, optical transmitter, optical transmit...
- Publication number 20040208633
- Publication date Oct 21, 2004
- OpNext Japan, Inc.
- Mitsuo Akashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical receiver
- Publication number 20040062557
- Publication date Apr 1, 2004
- OpNext Japan, Inc.
- Shigehiro Takashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE