Toshikazu Matsuda

Follow

Person

Shiga, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Coalesced multifilament spandex and method for its preparation
- Patent number 6,623,585
- Issue date Sep 23, 2003
- DuPont-Toray Co. Ltd.
- Masao Umezawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for the manufacture of spandex and the spandex made thereby
- Patent number 6,403,712
- Issue date Jun 11, 2002
- DuPont Toray Co. Ltd.
- Shingo Ito
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Stable polyurethaneurea solutions
- Patent number 6,225,435
- Issue date May 1, 2001
- DuPont Toray Co. Ltd.
- Shingo Ito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coalesced multifilament spandex and method for its preparation
- Patent number 6,214,145
- Issue date Apr 10, 2001
- DuPont Toray Co., Ltd.
- Masao Umezawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Polyimide copolymer, polyimide copolymer resin molded products and...
- Patent number 5,859,171
- Issue date Jan 12, 1999
- DuPont Toray
- Kouichi Sawasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Coalesced multifilament spandex and method for its preparation
- Publication number 20010039790
- Publication date Nov 15, 2001
- Masao Umezawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING