SI

Shigeki Iwashita

TC Teikoku Hormone Mfg. Co.: 5 patents #12 of 112Top 15%
AC Aska Pharmaceutical Co.: 4 patents #12 of 69Top 20%
Overall (All Time): #570,620 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
10508130 Crystalline polymorph of 15B-hydroxy-osaterone acetate Takayoshi Nakagawa, Hiroyuki Hayashi, Koichi Miyazaki 2019-12-17
9643994 Crystalline polymorphic form of ulipristal acetate Hiroyuki Hayashi, Koichi Miyazaki 2017-05-09
9643993 Crystalline polymorphic form of ulipristal acetate Hiroyuki Hayashi, Koichi Miyazaki 2017-05-09
7449466 Cyclic aminophenyl sulfamate derivative Shigehiro Takegawa, Makoto Okada, Takayoshi Nakagawa, Naoyuki Koizumi, Tomohito Fujii 2008-11-11
6762205 Phenyl sulfamate derivatives Naoyuki Koizumi, Makoto Okada, Shigehiro Takegawa, Takayoshi Nakagawa, Hiroo Takahashi +1 more 2004-07-13
6087347 3-substituted-D-homo-1,3,5(10)-estratriene derivatives Naoyuki Koizumi, Shigehiro Takegawa, Tomoko Kawachi, Mamoru Mieda, Tomohito Fujii 2000-07-11
5539127 7-substituted oxa- or azasteroid compound Naoyuki Koizumi, Shigehiro Takegawa, Tomoko Kawachi, Fumiko Inoue, Seijiro Honma +4 more 1996-07-23
5519051 Oxa- or azasteroid derivatives Naoyuki Koizumi, Shigehiro Takegawa, Tomoko Kawachi, Teruaki Matsui, Seijiro Honma +5 more 1996-05-21
5472962 Benzothiophene derivative Naoyuki Koizumi, Shigehiro Takegawa, Tomoko Kawachi, Teruaki Matsui, Mamoru Mieda +3 more 1995-12-05