Yasushi Takeuchi

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sulfur containing atomic group introduced porous article, process f...
- Patent number 6,616,988
- Issue date Sep 9, 2003
- Japan Vilene Company, Ltd.
- Yasushi Takeuchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Sulfur containing atomic group introduced porous article
- Patent number 6,171,708
- Issue date Jan 9, 2001
- Japan Vilene Company, Ltd.
- Yasushi Takeuchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Modified porous non-conductor
- Patent number 5,965,250
- Issue date Oct 12, 1999
- Japan Vilene Company, Ltd.
- Yasushi Takeuchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for treating the outer-inner surfaces of a porous non-condu...
- Patent number 5,792,517
- Issue date Aug 11, 1998
- Japan Vilene Company
- Yasushi Takeuchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL