Yoshinari Kawashima

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light guiding plate and backlight apparatus
- Patent number 7,465,084
- Issue date Dec 16, 2008
- Sony Corporation
- Yoshinari Kawashima
- G02 - OPTICS
Information Patent Grant
Reflective display, light guide plate and method of manufacturing l...
- Patent number 6,822,705
- Issue date Nov 23, 2004
- Sony Corporation
- Kazuhito Shimoda
- G02 - OPTICS
Information Patent Grant
Optical element, its manufacturing method and optical element manuf...
- Patent number 6,721,097
- Issue date Apr 13, 2004
- Sony Corporation
- Yoshinari Kawashima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical element, its manufacturing method and optical element manuf...
- Patent number 6,552,863
- Issue date Apr 22, 2003
- Sony Corporation
- Yoshinari Kawashima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL ELEMENT, AND PROCESSING APPARATUS AND METHOD FOR REDUCING R...
- Publication number 20110051250
- Publication date Mar 3, 2011
- SONY CORPORATION
- Goro Fujita
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Biometric authentication apparatus
- Publication number 20110013074
- Publication date Jan 20, 2011
- SONY CORPORATION
- Isao Ichimura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Backlight and light guide plate, method of manufacturing diffuser a...
- Publication number 20080316770
- Publication date Dec 25, 2008
- Sony Corporation
- Takashi Oku
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Back light, light guiding plate, method for manufacturing diffusion...
- Publication number 20060268568
- Publication date Nov 30, 2006
- Takashi Oku
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Light guiding plate and backlight apparatus
- Publication number 20050117370
- Publication date Jun 2, 2005
- Yoshinari Kawashima
- G02 - OPTICS
Information Patent Application
Optical element, its manufacturing method and optical element manuf...
- Publication number 20020134751
- Publication date Sep 26, 2002
- Yoshinari Kawashima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL