Hidetsugu Yoshida

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Iwakuni, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polishing pad
- Patent number 6,547,644
- Issue date Apr 15, 2003
- Teijin-Metton Kabushiki Kaisha
- Takeyoshi Yamada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Concrete formwork
- Patent number 6,117,521
- Issue date Sep 12, 2000
- Teijin-Metton Kabushiki Kaisha
- Hidetsugu Yoshida
- E04 - BUILDING
Information Patent Grant
Polycarbosilastyrene copolymer, method for producing the same, and...
- Patent number 4,826,892
- Issue date May 2, 1989
- Teijin Limited
- Keizo Shimada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing shaped silicon carbide article from a polycar...
- Patent number 4,743,411
- Issue date May 10, 1988
- Teijin Limited
- Keizo Shimada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Diazaphenalene derivatives and resin containing color compositions
- Patent number 4,167,506
- Issue date Sep 11, 1979
- Teijin Limited
- Keizo Shimada
- C07 - ORGANIC CHEMISTRY