Genzo Asai

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Fukushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thermally foamable microsphere and production process thereof
- Patent number 7,931,967
- Issue date Apr 26, 2011
- Kureha Corporation
- Yasuhiro Tasaki
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Thermally foamable microsphere and production process thereof
- Patent number 7,252,882
- Issue date Aug 7, 2007
- Kureha Corporation
- Yoshikatsu Satake
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermally foamable microsphere and production process thereof
- Patent number 7,232,607
- Issue date Jun 19, 2007
- Kureha Corporation
- Yoshikatsu Satake
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Expandable microspheres and process for producing the same
- Patent number 6,613,810
- Issue date Sep 2, 2003
- Kureha Kagaku K.K.
- Tetsuo Ejiri
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Heat-expandable microsphere and process for producing the same
- Publication number 20040157057
- Publication date Aug 12, 2004
- Yasuhiro Tasaki
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Heat-expandable macrosphere and process for producing the same
- Publication number 20030143399
- Publication date Jul 31, 2003
- Yoshikatsu Satake
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermally foamable microsphere and production process thereof
- Publication number 20030114546
- Publication date Jun 19, 2003
- Yoshikatsu Satake
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...