Maki Ikeji

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber and method of manufacturing optical fiber
- Patent number 8,909,016
- Issue date Dec 9, 2014
- Sumitomo Electric Industries, Ltd.
- Tetsuya Nakanishi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical splicer, optical module, and method of producing optical sp...
- Patent number 7,600,927
- Issue date Oct 13, 2009
- Sumitomo Electric Industries, Ltd.
- Kazuhito Saito
- G02 - OPTICS
Information Patent Grant
Optical device
- Patent number 6,850,674
- Issue date Feb 1, 2005
- Sumitomo Electric Industries, Ltd.
- Akira Haraguchi
- G02 - OPTICS
Information Patent Grant
Optical fiber grating and method of manufacturing the same
- Patent number 5,867,618
- Issue date Feb 2, 1999
- Sumitomo Electric Industries, Ltd.
- Masumi Ito
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical splicer, optical module, and method of producing optical sp...
- Publication number 20080267567
- Publication date Oct 30, 2008
- Sumitomo Electric Industries, Ltd.
- Kazuhito Saito
- G02 - OPTICS
Information Patent Application
Optical splicer, optical module, and method of producing optical sp...
- Publication number 20050207712
- Publication date Sep 22, 2005
- Kazuhito Saito
- G02 - OPTICS
Information Patent Application
Optical device
- Publication number 20040067025
- Publication date Apr 8, 2004
- Akira Haraguchi
- G02 - OPTICS