Hirofumi Ishiyama

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Isehara-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Resin-cemented optical element, mold therefor, fabrication process...
- Patent number 7,931,833
- Issue date Apr 26, 2011
- Nikon Corporation
- Akiko Miyakawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Resin-cemented optical element, mold therefor, fabrication process...
- Patent number 7,622,181
- Issue date Nov 24, 2009
- Nikon Corporation
- Akiko Miyakawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
RESIN-CEMENTED OPTICAL ELEMENT, MOLD THEREFOR, FABRICATION PROCESS...
- Publication number 20100007036
- Publication date Jan 14, 2010
- Nikon Corporation
- Akiko Miyakawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Resin-cemented optical element, mold therefor, fabrication process...
- Publication number 20060019070
- Publication date Jan 26, 2006
- Nikon Corporation
- Akiko Miyakawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Resin-cemented optical element, mold therefor, fabrication process...
- Publication number 20020064575
- Publication date May 30, 2002
- Nikon Corporation
- Akiko Miyakawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL