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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid crystal lens element and optical head device
Patent number
7,773,489
Issue date
Aug 10, 2010
Asahi Glass Company, Limited
Kouichi Murata
G11 - INFORMATION STORAGE
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Patent Grant
Acrylic acid derivative compounds and polymeric liquid crystal obta...
Patent number
6,562,259
Issue date
May 13, 2003
Asahi Glass Company, Limited
Tomoki Gunjima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
LIQUID CRYSTAL LENS ELEMENT AND OPTICAL HEAD DEVICE
Publication number
20070183293
Publication date
Aug 9, 2007
Asahi Glass Co., LTD.
Kouichi MURATA
G02 - OPTICS