Hiroshi Yoshikawa

Person

Fujioka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing etoposide
- Patent number 5,821,348
- Issue date Oct 13, 1998
- Nippon Kayaku Kabushiki Kaisha
- Yukihiro Fusauchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of etoposide phosphate and intermediate...
- Patent number 5,637,680
- Issue date Jun 10, 1997
- Nippon Kayaku Kabushiki Kaisha
- Yoshinobu Miyazawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Etoposide phosphate and preparative intermediates
- Patent number 5,606,039
- Issue date Feb 25, 1997
- Nippon Kayaku Kabushiki Kaisha
- Yoshinobu Miyazawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oxetanocin derivatives and their salts as well as use thereof
- Patent number 5,028,598
- Issue date Jul 2, 1991
- Nippon Kayaku Kabushiki Kaisha
- Katsuhiko Kurabayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4'-demethyl-4-epipodophyllotoxin derivative
- Patent number 4,716,221
- Issue date Dec 29, 1987
- Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
- Hamao Umezawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Derivatives of 4'-demethyl-4-epipodophyllotoxin
- Patent number 4,547,567
- Issue date Oct 15, 1985
- Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
- Hamao Umezawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2-chloro-6-nitrobenzonitrile
- Patent number 4,285,883
- Issue date Aug 25, 1981
- Nippon Kayaku Kabushiki Kaisha
- Hiroshi Yoshikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 2-chlorobenzonitrile derivatives
- Patent number 4,225,534
- Issue date Sep 30, 1980
- Nippon Kayaku Kabushiki Kaisha
- Hiroshi Yoshikawa
- C07 - ORGANIC CHEMISTRY

Hiroshi Yoshikawa

Person

Patents Grantslast 30 patents

Process for producing etoposide

Process for the preparation of etoposide phosphate and intermediate...

Etoposide phosphate and preparative intermediates

Oxetanocin derivatives and their salts as well as use thereof

4'-demethyl-4-epipodophyllotoxin derivative

Derivatives of 4'-demethyl-4-epipodophyllotoxin

Process for producing 2-chloro-6-nitrobenzonitrile

Process for the production of 2-chlorobenzonitrile derivatives