Yukihiko Yagi

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Patents Grantslast 30 patents

Information Patent Grant
Polymer composition
- Patent number 5,216,054
- Issue date Jun 1, 1993
- Tonen Sekiyukagaku Kabushiki Kaisha
- Kunio Iwanami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic resin composition
- Patent number 5,147,931
- Issue date Sep 15, 1992
- Tonen Sekiyukageku, K.K.
- Masato Sakuma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of and apparatus for making fiber-reinforced polymer composi...
- Patent number 5,106,564
- Issue date Apr 21, 1992
- Tonen Sekiyukagaku Kabushiki Kaisha
- Kunio Iwanami
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing thermoplastic resin compositions
- Patent number 5,013,789
- Issue date May 7, 1991
- Tonen Sekiyukagaku
- Masato Sakuma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fiber-reinforced polymer composition and method of producing same
- Patent number 4,990,550
- Issue date Feb 5, 1991
- Tonen Sekiyukagaku Kabushiki Kaisha
- Kunio Iwanami
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL