Tetsuro Komukai

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Yokosuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the fabrication of a phase mask for optical fiber proce...
- Patent number 7,153,613
- Issue date Dec 26, 2006
- Dai Nippon Printing Co., Ltd.
- Masaaki Kurihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Phase mask for forming diffraction grating, and optical fiber and o...
- Patent number 6,876,792
- Issue date Apr 5, 2005
- Dai Nippon Printing Co., Ltd.
- Masaaki Kurihara
- G02 - OPTICS
Information Patent Grant
Method of making phase mask for machining optical fiber and optical...
- Patent number 6,795,614
- Issue date Sep 21, 2004
- Dai Nippon Printing Co., Ltd.
- Toshikazu Segawa
- G02 - OPTICS
Information Patent Grant
Wavelength-tunable mode-locked laser, wavelength converter and tran...
- Patent number 6,631,145
- Issue date Oct 7, 2003
- Nippon Telegraph and Telephone Corporation
- Kohichi Robert Tamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of producing phase mask for fabricating optical fiber and op...
- Patent number 6,466,714
- Issue date Oct 15, 2002
- Dai Nippon Printing Co., Ltd. and Nippon Telegraph and Telephone Corporation
- Masaaki Kurihara
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Phase mask for forming diffraction grating, and optical fiber and o...
- Publication number 20040005117
- Publication date Jan 8, 2004
- Masaaki Kurihara
- G02 - OPTICS
Information Patent Application
Process for the fabrication of a phase mask for optical fiber proce...
- Publication number 20030077039
- Publication date Apr 24, 2003
- Masaaki Kurihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method of making phase mask for machining optical fiber and optical...
- Publication number 20030006212
- Publication date Jan 9, 2003
- Toshikazu Segawa
- G02 - OPTICS