Kei Sunaga

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of making optical connector ferrule, die for making optical...
- Patent number 7,512,307
- Issue date Mar 31, 2009
- Sumitomo Electric Industries, Ltd.
- Wataru Sakurai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and metal mold for manufacturing optical connector ferrule,...
- Patent number 7,410,303
- Issue date Aug 12, 2008
- Sumitomo Electric Industries, Ltd.
- Wataru Sakurai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Fiber optic connector and its manufacturing method
- Patent number 6,345,916
- Issue date Feb 12, 2002
- Sumitomo Electric Industries, Ltd.
- Dai Yui
- G02 - OPTICS
Information Patent Grant
Method of making an optical fiber array and apparatus for making an...
- Patent number 6,299,361
- Issue date Oct 9, 2001
- Sumitomo Electric Industries, Ltd.
- Takashi Sasaki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical components
- Publication number 20070189682
- Publication date Aug 16, 2007
- Ken Hashimoto
- G02 - OPTICS
Information Patent Application
Method of making optical connector ferrule, die for making optical...
- Publication number 20060263034
- Publication date Nov 23, 2006
- Sumitomo Electric Industries, Ltd.
- Wataru Sakurai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method and metal mold for manufacturing optical connector ferrule,...
- Publication number 20050123248
- Publication date Jun 9, 2005
- Sumitomo Electric Industries, Ltd.
- Wataru Sakurai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL