Tohru Yokota

Follow

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing vinyl chloride copolymers with diacrylate of...
- Patent number 5,006,623
- Issue date Apr 9, 1991
- Shin-Etsu Chemical Co., Ltd.
- Junichi Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing vinyl chloride copolymer
- Patent number 4,816,539
- Issue date Mar 28, 1989
- Shin-Etsu Chemical Co., Ltd.
- Junich Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composite polymeric material comprising vinyl chloride and organosi...
- Patent number 4,665,145
- Issue date May 12, 1987
- Shin-Etsu Chemical Co., Ltd.
- Tohru Yokota
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Vinyl chloride resin-based composition for floppy disc jacket
- Patent number 4,628,070
- Issue date Dec 9, 1986
- Shin-Etsu Chemical Co., Ltd.
- Tohru Yokota
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...