Koichi Yoshida

Person

Ihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for production of biologically active substances
- Patent number 4,711,842
- Issue date Dec 8, 1987
- Asahi Kasei Kogyo Kabushiki Kaisha
- Tadayoshi Taniyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for synthesizing trioxane
- Patent number 4,563,536
- Issue date Jan 7, 1986
- Asahi Kasei Kogyo Kabushiki Kaisha
- Koichi Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of producing magnetic recording media
- Patent number 4,548,682
- Issue date Oct 22, 1985
- Nippon Light Metal Company Limited
- Koichi Yoshida
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Aluminum substrate for magnetic recording media
- Patent number 4,540,449
- Issue date Sep 10, 1985
- Nippon Light Metal Company Limited
- Koichi Yoshida
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for cathodic protection of aluminum material
- Patent number 4,510,030
- Issue date Apr 9, 1985
- Nippon Light Metal Company Limited
- Teruo Miyashita
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process of producing aluminum substrate for magnetic recording media
- Patent number 4,507,179
- Issue date Mar 26, 1985
- Nippon Light Metal Company Limited
- Koichi Yoshida
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Cell cultivation method and floating animal cell culture unit for t...
- Patent number 4,391,912
- Issue date Jul 5, 1983
- Asahi Kasei Kogyo Kabushiki Kaisha
- Koichi Yoshida
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method for synthesizing trioxane
- Patent number 4,381,397
- Issue date Apr 26, 1983
- Asahi Kasei Kogyo Kabushiki Kaisha
- Koichi Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separating trioxane
- Patent number 4,332,644
- Issue date Jun 1, 1982
- Asahi Kasei Kogyo Kabushiki Kaisha
- Katsuhiko Hamanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyaryl ether sulfone semipermeable membrane and process for produ...
- Patent number 4,286,015
- Issue date Aug 25, 1981
- Asahi Kasei Kogyo Kabushiki Kaisha
- Koichi Yoshida
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Koichi Yoshida

Person

Patents Grantslast 30 patents

Method for production of biologically active substances

Method for synthesizing trioxane

Process of producing magnetic recording media

Aluminum substrate for magnetic recording media

Method for cathodic protection of aluminum material

Process of producing aluminum substrate for magnetic recording media

Cell cultivation method and floating animal cell culture unit for t...

Method for synthesizing trioxane

Process for separating trioxane

Polyaryl ether sulfone semipermeable membrane and process for produ...