Akitoshi Masuyama

Person

Ichihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Polystyrenic resin composition
- Patent number 6,214,909
- Issue date Apr 10, 2001
- Idemitsu Kosan Co., Ltd.
- Akitoshi Masuyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polystyrenic resin composition and molded article thereof
- Patent number 6,013,709
- Issue date Jan 11, 2000
- Idemitsu Petrochemical Co., Ltd.
- Akitoshi Masuyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Impact resistant polystyrene composition
- Patent number 6,005,050
- Issue date Dec 21, 1999
- Idemitsu Petrochemical Co., Ltd.
- Akihiko Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flame retarded polystyrenic resin composition and molded article of...
- Patent number 5,929,154
- Issue date Jul 27, 1999
- Idemitsu Petrochemical Co., Ltd.
- Akitoshi Masuyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified syndiotactic styrenic polymer compositions and blends
- Patent number 5,914,370
- Issue date Jun 22, 1999
- Idemitsu Kosan Co., Ltd.
- Akihiko Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Syndiotactic styrenic resin composition
- Patent number 5,907,129
- Issue date May 25, 1999
- Idemitsu Kosan Co., Ltd.
- Keisuke Funaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Styrenic polymer and molded article
- Patent number 5,698,652
- Issue date Dec 16, 1997
- Idemitsu Petrochemical Co., Ltd.
- Takuma Aoyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing a modified polyphenylene ether
- Patent number 5,444,126
- Issue date Aug 22, 1995
- Idemitsu Kosan Co., Ltd.
- Akihiko Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic resin composition containing a modified polyphenylene...
- Patent number 5,326,813
- Issue date Jul 5, 1994
- Idemitsu Kosan Co., Ltd.
- Akihiko Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Akitoshi Masuyama

Person

Patents Grantslast 30 patents

Polystyrenic resin composition

Polystyrenic resin composition and molded article thereof

Impact resistant polystyrene composition

Flame retarded polystyrenic resin composition and molded article of...

Modified syndiotactic styrenic polymer compositions and blends

Syndiotactic styrenic resin composition

Styrenic polymer and molded article

Process for producing a modified polyphenylene ether

Thermoplastic resin composition containing a modified polyphenylene...