Masahiro Niwano

Person

Tsukuba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing aromatic polyamide film
- Patent number 5,659,007
- Issue date Aug 19, 1997
- Sumitomo Chemical Company, Limited
- Kazunori Akiyoshi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing aromatic polyamide film
- Patent number 5,587,450
- Issue date Dec 24, 1996
- Sumitomo Chemical Company, Limited
- Kazunori Akiyoshi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic resin composition and preparation thereof
- Patent number 5,563,216
- Issue date Oct 8, 1996
- Sumitomo Chemical Company, Limited
- Masahiro Niwano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic oligomer and process for preparing the same
- Patent number 5,446,124
- Issue date Aug 29, 1995
- Sumitomo Chemical Company, Limited
- Masahiro Niwano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermoplastic graft copolymer and process for preparing the same
- Patent number 5,376,730
- Issue date Dec 27, 1994
- Sumitomo Chemical Company, Limited
- Masahiro Niwano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic elastomer composition
- Patent number 5,292,810
- Issue date Mar 8, 1994
- Sumitomo Chemical Company, Limited
- Kenji Manabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical device
- Patent number 5,135,791
- Issue date Aug 4, 1992
- Sumitomo Chemical Company, Limited
- Shozaburo Imai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyether-polyamide block copolymer and polyether prepolymer
- Patent number 5,001,207
- Issue date Mar 19, 1991
- Sumitomo Chemical Company, Limited
- Takeo Saegusa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of formed article of aromatic vinyl resin
- Patent number 4,918,152
- Issue date Apr 17, 1990
- Sumitomo Chemical Company, Limited
- Masahiko Moritani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Magneto optical disk substrate comprising an aromatic vinyl monomer...
- Patent number 4,845,142
- Issue date Jul 4, 1989
- Sumitomo Chemical Company, Limited
- Masahiro Niwano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of producing a polyether prepolymer
- Patent number 4,792,603
- Issue date Dec 20, 1988
- Sumitomo Chemical Co., Ltd.
- Takeo Saegusa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polyamide block copolymer
- Patent number 4,775,721
- Issue date Oct 4, 1988
- Sumimoto Chemical Company, Limited
- Jiro Horikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Star block polyol lactam copolymer and process for the production t...
- Patent number 4,751,282
- Issue date Jun 14, 1988
- Sumitomo Chemical Company, Limited
- Saegusa Takeo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Star block copolymer from lactam and polyol and process for the pro...
- Patent number 4,650,608
- Issue date Mar 17, 1987
- Sumitomo Chemical Company, Limited
- Saegusa Takeo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production of hydrogels
- Patent number 4,367,323
- Issue date Jan 4, 1983
- Sumitomo Chemical Company, Limited
- Shuji Kitamura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for preparation of aromatic acyl chloride
- Patent number 4,167,525
- Issue date Sep 11, 1979
- Sumitomo Chemical Company, Limited
- Yushin Kataoka
- C07 - ORGANIC CHEMISTRY

Masahiro Niwano

Person

Patents Grantslast 30 patents

Process for producing aromatic polyamide film

Process for producing aromatic polyamide film

Thermoplastic resin composition and preparation thereof

Aromatic oligomer and process for preparing the same

Thermoplastic graft copolymer and process for preparing the same

Thermoplastic elastomer composition

Optical device

Polyether-polyamide block copolymer and polyether prepolymer

Process for the production of formed article of aromatic vinyl resin

Magneto optical disk substrate comprising an aromatic vinyl monomer...

Method of producing a polyether prepolymer

Process for producing polyamide block copolymer

Star block polyol lactam copolymer and process for the production t...

Star block copolymer from lactam and polyol and process for the pro...

Production of hydrogels

Process for preparation of aromatic acyl chloride