Hideharu Takeuchi

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Patents Grantslast 30 patents

Information Patent Grant
Optical semiconductor-sealing composition
- Patent number 8,263,686
- Issue date Sep 11, 2012
- Arakawa Chemical Industries, Ltd.
- Hideharu Takeuchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
POLYMERIZED ROSIN COMPOUND AND PRODUCTION METHOD THEREFOR
- Publication number 20170152341
- Publication date Jun 1, 2017
- ARAKAWA CHEMICAL INDUSTRIES, LTD.
- Yoshimasa Sato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIZED ROSIN COMPOUND AND PRODUCTION METHOD THEREFOR
- Publication number 20150232604
- Publication date Aug 20, 2015
- ARAKAWA CHEMICAL INDUSTRIES, LTD.
- Yoshimasa Sato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
OPTICAL SEMICONDUCTOR-SEALING COMPOSITION
- Publication number 20100171146
- Publication date Jul 8, 2010
- Hideharu Takeuchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...