Hiroko Yokouchi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cellulose ester film, protective film for a polarizing plate of liq...
- Patent number 6,828,006
- Issue date Dec 7, 2004
- Konica Corporation
- Masahito Takada
- G02 - OPTICS
Information Patent Grant
Cellulose ester film, protective film for a polarizing plate of liq...
- Patent number 6,652,926
- Issue date Nov 25, 2003
- Konica Corporation
- Masahito Takada
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Cellulose ester film, protective film for a polarizing plate of liq...
- Publication number 20040058180
- Publication date Mar 25, 2004
- Konica Corporation
- Masahito Takada
- G02 - OPTICS