Toshimasa KAKIUCHI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Infrared transmission filter and imaging device
- Patent number 9,570,490
- Issue date Feb 14, 2017
- Asahi Glass Company, Limited
- Toshimasa Kakiuchi
- G02 - OPTICS
Information Patent Grant
Phase plate and optical head device
- Patent number 7,782,738
- Issue date Aug 24, 2010
- Asahi Glass Company, Limited
- Toshimasa Kakiuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Liquid crystal lens element optical head device
- Patent number 7,738,344
- Issue date Jun 15, 2010
- Asahi Glass Company, Limited
- Yoshiharu Ooi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
INFRARED TRANSMISSION FILTER AND IMAGING DEVICE
- Publication number 20120145901
- Publication date Jun 14, 2012
- Asahi Glass Company, Limited
- Toshimasa KAKIUCHI
- G02 - OPTICS
Information Patent Application
PHASE DIFFERENCE ELEMENT AND OPTICAL HEAD APPARATUS
- Publication number 20100128593
- Publication date May 27, 2010
- ASAHI GLASS COMPANY, LIMITED
- Koichi Murata
- G02 - OPTICS
Information Patent Application
PHASE PLATE AND OPTICAL HEAD DEVICE
- Publication number 20080044125
- Publication date Feb 21, 2008
- ASAHI GLASS COMPANY LIMITED
- Toshimasa Kakiuchi
- G02 - OPTICS
Information Patent Application
LIQUID CRYSTAL LENS ELEMENT OPTICAL HEAD DEVICE
- Publication number 20070127348
- Publication date Jun 7, 2007
- ASAHI GLASS COMPANY LIMITED
- Yoshiharu Ooi
- G02 - OPTICS