Kaoru Takagahara

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Patents Grantslast 30 patents

Information Patent Grant
Polyimide precursor, manufacturing method thereof, and resin compos...
- Patent number 7,189,488
- Issue date Mar 13, 2007
- Kaneka Corporation
- Toshio Yamanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photosensitive resin composition and photosensitive films and lamin...
- Patent number 7,141,614
- Issue date Nov 28, 2006
- Kaneka Corporation
- Koji Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Photosensitive resin composition and photosensitive films and lamin...
- Publication number 20040265731
- Publication date Dec 30, 2004
- Koji Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Photosensitive resin composition and photosensitive dry film resist...
- Publication number 20040235992
- Publication date Nov 25, 2004
- Koji Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Photosensitive resin composition, solder resist comprising the same...
- Publication number 20040048978
- Publication date Mar 11, 2004
- Koji Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polyimide precursor, manufacturing method thereof, and resin compos...
- Publication number 20030149142
- Publication date Aug 7, 2003
- Kaneka Corporation
- Toshio Yamanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...