Keizo Ikari

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Chiyoda-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spectacles lens and production method thereof
- Patent number 7,473,723
- Issue date Jan 6, 2009
- Teijin Chemicals, LTD
- Keizo Ikari
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Spectacles lens and production method thereof
- Publication number 20070155867
- Publication date Jul 5, 2007
- Keizo Ikari
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...