Akihiro Shimizu

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Minowa-machi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dust-proof glass, and electro-optic device and projection type imag...
- Patent number 7,705,960
- Issue date Apr 27, 2010
- Epson Toyocom Corporation
- Akihiro Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Drive apparatus, lens unit, and camera
- Patent number 7,221,525
- Issue date May 22, 2007
- Seiko Epson Corporation
- Katsuyuki Honda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Miniature zoom lens
- Patent number 7,136,232
- Issue date Nov 14, 2006
- Seiko Epson Corporation
- Akira Komatsu
- G02 - OPTICS
Information Patent Grant
Projection lens and projection image display apparatus
- Patent number 6,947,222
- Issue date Sep 20, 2005
- Seiko Epson Corporation
- Akira Komatsu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Dust-proof glass, and electro-optic device and projection type imag...
- Publication number 20080137023
- Publication date Jun 12, 2008
- EPSON TOYOCOM CORPORATION
- Akihiro Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF MANUFACTURING MULTIFOCAL LENS AND MULTIFOCAL LENS
- Publication number 20070195263
- Publication date Aug 23, 2007
- SEIKO EPSON CORPORATION
- Akihiro SHIMIZU
- G02 - OPTICS
Information Patent Application
Resin composition for hybrid lens, method for producing hybrid lens...
- Publication number 20060012889
- Publication date Jan 19, 2006
- Tadao Kojima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Drive apparatus, lens unit, and camera
- Publication number 20050185947
- Publication date Aug 25, 2005
- Katsuyuki Honda
- G02 - OPTICS
Information Patent Application
MINIATURE ZOOM LENS
- Publication number 20050185286
- Publication date Aug 25, 2005
- SEIKO EPSON CORPORATION
- Akira KOMATSU
- G02 - OPTICS
Information Patent Application
Projection lens and projection image display apparatus
- Publication number 20040257666
- Publication date Dec 23, 2004
- Seiko Epson Corporation
- Akira Komatsu
- G02 - OPTICS