Kozo Fujii

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical element integrated module
- Patent number 7,903,976
- Issue date Mar 8, 2011
- Oki Electric Industry Co., Ltd.
- Hiromi Tsuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical time-division multiplexer using optical fiber for phase adj...
- Patent number 7,024,118
- Issue date Apr 4, 2006
- Oki Electric Industry Co., Ltd.
- Kozo Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor optical modulator, optical multiplexing module, and c...
- Patent number 6,747,776
- Issue date Jun 8, 2004
- Oki Electric Industry Co., Ltd.
- Kozo Fujii
- G02 - OPTICS
Information Patent Grant
Optical amplifier
- Patent number 6,483,634
- Issue date Nov 19, 2002
- Oki Electric Industry Co., Ltd.
- Andrew R Pratt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Initial alignment system for use in manufacturing an optical filter
- Patent number 6,307,617
- Issue date Oct 23, 2001
- Oki Electric Industry Co., Ltd.
- Akihiko Nishiki
- G02 - OPTICS
Information Patent Grant
Alignment method for optical fibers for use in manufacturing an opt...
- Patent number 5,914,207
- Issue date Jun 22, 1999
- Oki Electric Industry Co., Ltd.
- Akihiko Nishiki
- G02 - OPTICS
Information Patent Grant
Gas discharge panel
- Patent number 5,159,238
- Issue date Oct 27, 1992
- Oki Electric Industry Co., Ltd.
- Ichiro Koiwa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Optical element integrated module
- Publication number 20080260384
- Publication date Oct 23, 2008
- Oki Electric Industry Co., Ltd.
- Hiromi Tsuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Semiconductor optical modulator, optical multiplexing module, and c...
- Publication number 20030081301
- Publication date May 1, 2003
- Oki Electric Industry Co., Ltd.
- Kozo Fujii
- G02 - OPTICS
Information Patent Application
Optical time-division multiplexer using optical fiber for phase adj...
- Publication number 20030035174
- Publication date Feb 20, 2003
- Kozo Fujii
- G02 - OPTICS
Information Patent Application
Optical device for use in detecting the wavelength and intensity of...
- Publication number 20010053265
- Publication date Dec 20, 2001
- Yoshio Yamashita
- G01 - MEASURING TESTING