Ryoichi Hasegawa

Person

Yono, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for preparing substrate for flexible print wiring board, and...
- Patent number 6,962,726
- Issue date Nov 8, 2005
- Unitika Ltd.
- Akira Shigeta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Epoxy resin, epoxy resin composition and hardened product thereof
- Patent number 6,124,420
- Issue date Sep 26, 2000
- Nippon Kayaku Kabushiki Kaisha
- Kenichi Kuboki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Epoxy resin, epoxy resin composition and hardened product thereof
- Patent number 5,840,824
- Issue date Nov 24, 1998
- Nippon Kayaku Kabushiki Kaisha
- Yasumasa Akatsuka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for purifying 7-dimethylamino-6-demethyl-6-deoxytetracycline
- Patent number 5,202,449
- Issue date Apr 13, 1993
- Nippon Kayaku Kabushiki Kaisha
- Ryoichi Hasegawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 7-dimethylamino-6-demethyl-6-deoxytetracycline
- Patent number 4,918,208
- Issue date Apr 17, 1990
- Nippon Kayaku Kabushiki Kaisha
- Ryoichi Hasegawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing optically active phenylalanine
- Patent number 4,582,928
- Issue date Apr 15, 1986
- Nippon Kayaku Kabushiki Kaisha
- Shigeru Aoki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing substituted or unsubstituted naphthalic acids...
- Patent number 4,212,813
- Issue date Jul 15, 1980
- Nippon Kayaku Kabushiki Kaisha
- Ryoichi Hasegawa
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method for preparing substrate for flexible print wiring board, and...
- Publication number 20030108748
- Publication date Jun 12, 2003
- Akira Shigeta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Ryoichi Hasegawa

Person

Patents Grantslast 30 patents

Method for preparing substrate for flexible print wiring board, and...

Epoxy resin, epoxy resin composition and hardened product thereof

Epoxy resin, epoxy resin composition and hardened product thereof

Process for purifying 7-dimethylamino-6-demethyl-6-deoxytetracycline

Process for producing 7-dimethylamino-6-demethyl-6-deoxytetracycline

Process for producing optically active phenylalanine

Process for producing substituted or unsubstituted naphthalic acids...

Patents Applicationslast 30 patents

Method for preparing substrate for flexible print wiring board, and...