Akihiro SUGIYAMA

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lens forming metal mold, lens forming method and pickup device
- Patent number 8,945,438
- Issue date Feb 3, 2015
- Hoya Corporation
- Shungo Hanashiro
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Superimpose-plate for view finder
- Patent number 7,046,925
- Issue date May 16, 2006
- PENTAX Corporation
- Hidefumi Kaneko
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LENS AND OPTICAL PICKUP DEVICE
- Publication number 20150116850
- Publication date Apr 30, 2015
- HOYA CORPORATION
- Shungo HANASHIRO
- G02 - OPTICS
Information Patent Application
LENS FORMING METAL MOLD, LENS FORMING METHOD, LENS, AND PICKUP DEVICE
- Publication number 20110215489
- Publication date Sep 8, 2011
- HOYA CORPORATION
- Shungo HANASHIRO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
LENS FORMING METAL MOLD, LENS FORMING METHOD AND PICKUP DEVICE
- Publication number 20110215488
- Publication date Sep 8, 2011
- HOYA CORPORATION
- Shungo HANASHIRO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Superimpose-plate for view finder
- Publication number 20040156128
- Publication date Aug 12, 2004
- PENTAX CORPORATION
- Hidefumi Kaneko
- G02 - OPTICS