Shigeki Iwashita

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Crystalline polymorph of 15B-hydroxy-osaterone acetate
- Patent number 10,508,130
- Issue date Dec 17, 2019
- Aska Pharmaceutical Co., Ltd.
- Takayoshi Nakagawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Crystalline polymorphic form of ulipristal acetate
- Patent number 9,643,993
- Issue date May 9, 2017
- Aska Pharmaceutical Co., Ltd.
- Shigeki Iwashita
- C30 - CRYSTAL GROWTH
Information Patent Grant
Crystalline polymorphic form of ulipristal acetate
- Patent number 9,643,994
- Issue date May 9, 2017
- Aska Pharmaceutical Co., Ltd.
- Shigeki Iwashita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclic aminophenyl sulfamate derivative
- Patent number 7,449,466
- Issue date Nov 11, 2008
- Aska Pharmaceutical Co., Ltd.
- Shigehiro Takegawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phenyl sulfamate derivatives
- Patent number 6,762,205
- Issue date Jul 13, 2004
- Teikoku Hormone Mfg. Co., Ltd.
- Naoyuki Koizumi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-substituted-D-homo-1,3,5(10)-estratriene derivatives
- Patent number 6,087,347
- Issue date Jul 11, 2000
- Teikoku Hormone Mfg. Co., Ltd.
- Naoyuki Koizumi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7-substituted oxa- or azasteroid compound
- Patent number 5,539,127
- Issue date Jul 23, 1996
- Teikoku Hormone Mfg. Co., Ltd.
- Naoyuki Koizumi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oxa- or azasteroid derivatives
- Patent number 5,519,051
- Issue date May 21, 1996
- Teikoku Hormone Mfg. Co., Ltd.
- Naoyuki Koizumi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzothiophene derivative
- Patent number 5,472,962
- Issue date Dec 5, 1995
- Teikoku Hormone Mfg. Co., Ltd.
- Naoyuki Koizumi
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CRYSTALLINE POLYMORPH OF 15B-HYDROXY-OSATERONE ACETATE
- Publication number 20190127417
- Publication date May 2, 2019
- ASKA Pharmaceutical Co., Ltd.
- Takayoshi NAKAGAWA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CRYSTALLINE POLYMORPHIC FORM OF ULIPRISTAL ACETATE
- Publication number 20150246943
- Publication date Sep 3, 2015
- ASKA Pharmaceutical Co., Ltd.
- Shigeki Iwashita
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CRYSTALLINE POLYMORPHIC FORM OF ULIPRISTAL ACETATE
- Publication number 20150239927
- Publication date Aug 27, 2015
- ASKA PHARMACEUTICAL CO., LTD.
- Shigeki Iwashita
- C30 - CRYSTAL GROWTH
Information Patent Application
Cyclic aminophenyl sulfamate derivative
- Publication number 20060189625
- Publication date Aug 24, 2006
- Shigehiro Takegawa
- C07 - ORGANIC CHEMISTRY

Shigeki Iwashita

Person

Patents Grantslast 30 patents

Crystalline polymorph of 15B-hydroxy-osaterone acetate

Crystalline polymorphic form of ulipristal acetate

Crystalline polymorphic form of ulipristal acetate

Cyclic aminophenyl sulfamate derivative

Phenyl sulfamate derivatives

3-substituted-D-homo-1,3,5(10)-estratriene derivatives

7-substituted oxa- or azasteroid compound

Oxa- or azasteroid derivatives

Benzothiophene derivative

Patents Applicationslast 30 patents

CRYSTALLINE POLYMORPH OF 15B-HYDROXY-OSATERONE ACETATE

CRYSTALLINE POLYMORPHIC FORM OF ULIPRISTAL ACETATE

CRYSTALLINE POLYMORPHIC FORM OF ULIPRISTAL ACETATE

Cyclic aminophenyl sulfamate derivative