Yoshihiko Kitagawa

Person

Toyonaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of crosslinking rubber and plastic moldings
- Patent number 5,496,863
- Issue date Mar 5, 1996
- Sumitomo Chemical Company, Ltd.
- Yoshihiko Kitagawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Highly foamed polypropylene product and an extrusion process for fo...
- Patent number 4,522,955
- Issue date Jun 11, 1985
- Sumitomo Chemical Company, Limited
- Nobuo Fukushima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing glass fiber-reinforced transparent cast sheet
- Patent number 4,344,906
- Issue date Aug 17, 1982
- Sumitomo Chemical Company, Limited
- Yoshihiko Kitagawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous process for producing rubber-modified methyl methacrylat...
- Patent number 4,287,317
- Issue date Sep 1, 1981
- Sumitomo Chemical Company, Limited
- Yoshihiko Kitagawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing copolymerized resins
- Patent number 4,228,266
- Issue date Oct 14, 1980
- Sumitomo Chemical Company, Limited
- Ken-ichi Kudo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing light-colored clear petroleum resins
- Patent number 4,156,762
- Issue date May 29, 1979
- Sumitomo Chemical Company, Limited
- Ken-ichi Kudo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Yoshihiko Kitagawa

Person

Patents Grantslast 30 patents

Method of crosslinking rubber and plastic moldings

Highly foamed polypropylene product and an extrusion process for fo...

Process for producing glass fiber-reinforced transparent cast sheet

Continuous process for producing rubber-modified methyl methacrylat...

Process for producing copolymerized resins

Process for producing light-colored clear petroleum resins