Yamada Noriyoshi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyamide acid and polyimide, and optical material
- Patent number 6,924,348
- Issue date Aug 2, 2005
- Nippon Shokubai Co., Ltd.
- Kozo Tajiri
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of fabricating a dielectric multilayer filter
- Patent number 5,332,535
- Issue date Jul 26, 1994
- Nippon Telegraph & Telephone Corporation
- Taisuke Oguchi
- G02 - OPTICS
Information Patent Grant
Dielectric multilayer, filter, manufacturing method therefor, and o...
- Patent number 5,234,772
- Issue date Aug 10, 1993
- Nippon Telegraph & Telephone Corporation
- Taisuke Oguchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Polyamide acid and polyimide, and optical material
- Publication number 20030050407
- Publication date Mar 13, 2003
- Kozo Tajiri
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...