Kazumi Kawamoto

Person

Kokubunji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical module and optical transmission apparatus
- Patent number 7,412,120
- Issue date Aug 12, 2008
- Opnext Japan, Inc.
- Hiroshi Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical communication module
- Patent number 7,215,886
- Issue date May 8, 2007
- Hitachi, Ltd.
- Shigenobu Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
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 transmission module
- Patent number 7,044,652
- Issue date May 16, 2006
- OpNext Japan, Inc.
- Naoki Matsushima
- G02 - OPTICS
Information Patent Grant
Optical transmission module
- Patent number 7,037,000
- Issue date May 2, 2006
- OpNext Japan, Inc.
- Hiroaki Furuichi
- G02 - OPTICS
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 transmission module
- Patent number 6,985,659
- Issue date Jan 10, 2006
- OpNext Japan, Inc.
- Makoto Torigoe
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Laser diode module
- Patent number 6,983,000
- Issue date Jan 3, 2006
- Hitachi, Ltd.
- Kimio Tatsuno
- 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
Optical transmission module and optical communication system using...
- Patent number 6,937,799
- Issue date Aug 30, 2005
- Hitachi, Ltd.
- Naoki Matsushima
- G02 - OPTICS
Information Patent Grant
Optical module which permits stable laser output
- Patent number 6,912,363
- Issue date Jun 28, 2005
- OpNext Japan, Inc.
- Hiroaki Furuichi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmission module and the production method of the same
- Patent number 6,864,511
- Issue date Mar 8, 2005
- OpNext Japan, Inc.
- Yoshio Oozeki
- H01 - BASIC ELECTRIC ELEMENTS
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
Semiconductor photodetector and optical transmitting device
- Patent number 6,822,271
- Issue date Nov 23, 2004
- Hitachi, Ltd.
- Toshiyuki Mogi
- G02 - OPTICS
Information Patent Grant
Optical module with a monitor photo diode
- Patent number 6,813,102
- Issue date Nov 2, 2004
- OpNext Japan, Inc.
- Hiroaki Furuichi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmission module and optical communication system using...
- Patent number 6,813,419
- Issue date Nov 2, 2004
- Hitachi, Ltd.
- Naoki Matsushima
- G02 - OPTICS
Information Patent Grant
Optical communication module, manufacturing method thereof and wave...
- Patent number 6,805,496
- Issue date Oct 19, 2004
- OpNext Japan, Inc.
- Hiroaki Furuichi
- G02 - OPTICS
Information Patent Grant
Method for manufacturing optic transmission modules and system for...
- Patent number 6,661,503
- Issue date Dec 9, 2003
- Hitachi, Ltd.
- Kazuo Yamaguchi
- G01 - MEASURING TESTING
Information Patent Grant
Electronic device and optical transmission module
- Patent number 6,635,971
- Issue date Oct 21, 2003
- Hitachi, Ltd.
- Toyoki Asada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser diode module
- Patent number 6,597,712
- Issue date Jul 22, 2003
- Hitachi, Ltd.
- Kimio Tatsuno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical wave-guide, light-beam spot converter and optical transmiss...
- Patent number 6,501,891
- Issue date Dec 31, 2002
- Hitachi, Ltd.
- Kazumi Kawamoto
- G02 - OPTICS
Information Patent Grant
Optical wave-guide, light-beam spot converter and optical transmiss...
- Patent number 6,289,157
- Issue date Sep 11, 2001
- Hitachi, Ltd.
- Kazumi Kawamoto
- G02 - OPTICS
Information Patent Grant
Short-wavelength laser light source
- Patent number 5,854,870
- Issue date Dec 29, 1998
- Hitachi, Ltd.
- Sten Helmfrid
- G02 - OPTICS
Information Patent Grant
Second harmonic generator and method of fabrication thereof
- Patent number 5,274,727
- Issue date Dec 28, 1993
- Hitachi, Ltd.
- Kenchi Ito
- G02 - OPTICS
Information Patent Grant
Optical information processing apparatus and optical pickup therefor
- Patent number 5,195,070
- Issue date Mar 16, 1993
- Hitachi, Ltd.
- Masataka Shiba
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information storing apparatus and method for production of...
- Patent number 5,191,624
- Issue date Mar 2, 1993
- Hitachi, Ltd.
- Kenchi Ito
- G02 - OPTICS
Information Patent Grant
Surface acoustic waveguide device and manufacturing method
- Patent number 5,187,756
- Issue date Feb 16, 1993
- Hitachi, Ltd.
- Masataka Shiba
- G02 - OPTICS
Information Patent Grant
Method and apparatus for measuring optical constants of a thin film...
- Patent number 5,125,740
- Issue date Jun 30, 1992
- Hitachi, Ltd.
- Hidemi Sato
- G01 - MEASURING TESTING
Information Patent Grant
Optical integrated circuit and optical apparatus
- Patent number 5,070,488
- Issue date Dec 3, 1991
- Atsuko Fukushima
- G02 - OPTICS
Information Patent Grant
Wave guide type optical device and method of fabricating the same
- Patent number 4,906,063
- Issue date Mar 6, 1990
- Hitachi, Ltd.
- Hidemi Sato
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical module and optical transmission apparatus
- Publication number 20050259911
- Publication date Nov 24, 2005
- Hiroshi Yamamoto
- 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 transmission module
- Publication number 20040264882
- Publication date Dec 30, 2004
- OpNext Japan, Inc.
- Makoto Torigoe
- 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
Laser diode module
- Publication number 20040228373
- Publication date Nov 18, 2004
- Kimio Tatsuno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical communication module
- Publication number 20040208211
- Publication date Oct 21, 2004
- OpNext Japan, Inc.
- Shigenobu Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical transmission module
- Publication number 20040114883
- Publication date Jun 17, 2004
- OpNext Japan, Inc.
- Hiroaki Furuichi
- G02 - OPTICS
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 module with a monitor photo diode
- Publication number 20030189770
- Publication date Oct 9, 2003
- OpNext Japan, Inc.
- Hiroaki Furuichi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical transmission module and the production method of the same
- Publication number 20030152119
- Publication date Aug 14, 2003
- OpNext Japan, Inc.
- Yoshio Oozeki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT RECEIVING ELEMENT AND OPTICAL TRANSMISSION DEVICE
- Publication number 20030094667
- Publication date May 22, 2003
- TOSHIYUKI MOGI
- G02 - OPTICS
Information Patent Application
Optical module
- Publication number 20030076564
- Publication date Apr 24, 2003
- Hiroaki Furuichi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical communication module, manufacturing method thereof and wave...
- Publication number 20030072542
- Publication date Apr 17, 2003
- OpNext Japan, Inc.
- Hiroaki Furuichi
- G02 - OPTICS
Information Patent Application
Optical transmission module
- Publication number 20030063873
- Publication date Apr 3, 2003
- OpNext Japan, Inc.
- Naoki Matsushima
- G02 - OPTICS
Information Patent Application
Laser diode module
- Publication number 20030039276
- Publication date Feb 27, 2003
- Kimio Tatsuno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electronic device and optical transmission module
- Publication number 20020090162
- Publication date Jul 11, 2002
- Toyoki Asada
- G02 - OPTICS
Information Patent Application
Optical transmission module and optical communication system using...
- Publication number 20020054738
- Publication date May 9, 2002
- Naoki Matsushima
- G02 - OPTICS
Information Patent Application
Optical wave-guide, light-beam spot converter and optical transmiss...
- Publication number 20010055450
- Publication date Dec 27, 2001
- Kazumi Kawamoto
- G02 - OPTICS
Information Patent Application
Optical transmission module and optical communication system using...
- Publication number 20010036338
- Publication date Nov 1, 2001
- Naoki Matsushima
- G02 - OPTICS

Kazumi Kawamoto

Person

Patents Grantslast 30 patents

Optical module and optical transmission apparatus

Optical communication module

High-frequency transmission line and an optical module incorporatin...

Optical transmission module

Optical transmission module

Optical module and optical transmission apparatus

Optical transmission module

Laser diode module

Optical module and method for manufacturing optical module

Optical transmission module and optical communication system using...

Optical module which permits stable laser output

Optical transmission module and the production method of the same

Transmission line, optical module using the same and manufacturing...

Semiconductor photodetector and optical transmitting device

Optical module with a monitor photo diode

Optical transmission module and optical communication system using...

Optical communication module, manufacturing method thereof and wave...

Method for manufacturing optic transmission modules and system for...

Electronic device and optical transmission module

Laser diode module

Optical wave-guide, light-beam spot converter and optical transmiss...

Optical wave-guide, light-beam spot converter and optical transmiss...

Short-wavelength laser light source

Second harmonic generator and method of fabrication thereof

Optical information processing apparatus and optical pickup therefor

Optical information storing apparatus and method for production of...

Surface acoustic waveguide device and manufacturing method

Method and apparatus for measuring optical constants of a thin film...

Optical integrated circuit and optical apparatus

Wave guide type optical device and method of fabricating the same

Patents Applicationslast 30 patents

Optical module and optical transmission apparatus

Optical module and optical transmission apparatus

Optical transmission module

Optical module and method for manufacturing optical module

Laser diode module

Optical communication module

Optical transmission module

Transmission line, optical module using the same and manufacturing...

High-frequency transmission line and an optical module incorporatin...

Optical module with a monitor photo diode

Optical transmission module and the production method of the same

SEMICONDUCTOR LIGHT RECEIVING ELEMENT AND OPTICAL TRANSMISSION DEVICE

Optical module

Optical communication module, manufacturing method thereof and wave...

Optical transmission module

Laser diode module

Electronic device and optical transmission module

Optical transmission module and optical communication system using...

Optical wave-guide, light-beam spot converter and optical transmiss...

Optical transmission module and optical communication system using...