Akihiro Iwamatsu

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Ebina-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Plastic optical element, nest structure, die, optical scan apparatu...
- Patent number 7,898,739
- Issue date Mar 1, 2011
- Ricoh Company, Ltd.
- Eiichi Hayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS, OPTICAL SCANNING DEVICE, AND PLASTIC LENS
- Publication number 20090168188
- Publication date Jul 2, 2009
- Go TAKAHASHI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PLASTIC OPTICAL ELEMENT, NEST STRUCTURE, DIE, OPTICAL SCAN APPARATU...
- Publication number 20090073580
- Publication date Mar 19, 2009
- Eiichi HAYASHI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL