Hisayoshi Yanagihara

Person

Oita, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Propylene-based polymer, method for its production, composition the...
- Patent number 6,323,298
- Issue date Nov 27, 2001
- Showa Denko K.K.
- Hisayoshi Yanagihara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene-based polymer, method for its production, composition the...
- Patent number 6,184,328
- Issue date Feb 6, 2001
- Showa Denko Kabushiki Kaisha
- Hisayoshi Yanagihara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene-based polymer, method of its production, composition ther...
- Patent number 5,916,990
- Issue date Jun 29, 1999
- Showa Denko K.K.
- Hisayoshi Yanagihara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing catalyst carrier for olefin polymerization
- Patent number 5,885,920
- Issue date Mar 23, 1999
- Japan Polyolefins Co., Ltd.
- Hirotoshi Takahashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene block copolymer and process for producing the same
- Patent number 5,804,665
- Issue date Sep 8, 1998
- Showa Denko K.K.
- Kazuyuki Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene block copolymer, process for preparation thereof and prop...
- Patent number 5,760,141
- Issue date Jun 2, 1998
- Japan Polyolefins Co., Ltd.
- Kazuyuki Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene block copolymer and process for producing the same
- Patent number 5,703,172
- Issue date Dec 30, 1997
- Showa Denko K.K.
- Kazuyuki Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene block copolymer, process for producing the same, and resi...
- Patent number 5,684,099
- Issue date Nov 4, 1997
- Showa Denko K.K.
- Kazuyuki Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst, process for preparation of same and process for polymeriz...
- Patent number 5,208,302
- Issue date May 4, 1993
- Showa Denko K.K.
- Tetuo Nakajo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst, process for preparation of same, and process for polymeri...
- Patent number 5,049,533
- Issue date Sep 17, 1991
- Showa Denko K.K.
- Tetuo Nakajo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Hisayoshi Yanagihara

Person

Patents Grantslast 30 patents

Propylene-based polymer, method for its production, composition the...

Propylene-based polymer, method for its production, composition the...

Propylene-based polymer, method of its production, composition ther...

Process for producing catalyst carrier for olefin polymerization

Propylene block copolymer and process for producing the same

Propylene block copolymer, process for preparation thereof and prop...

Propylene block copolymer and process for producing the same

Propylene block copolymer, process for producing the same, and resi...

Catalyst, process for preparation of same and process for polymeriz...

Catalyst, process for preparation of same, and process for polymeri...