KH

Katsuo Hatayama

TC Taisho Pharmaceutical Co.: 38 patents #2 of 557Top 1%
IS Institute Of Materia Medica, Chinese Academy Of Medical Sciences: 1 patents #48 of 154Top 35%
Overall (All Time): #87,256 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
5990151 Optically active substituted phenylalkylamine derivatives Atsuro Nakazato, Toshihito Kumagai, Tomoki Miyazawa, Koumei Ohta, Yutaka Kawashima 1999-11-23
5753673 Quinolinecarboxylic acid derivatives Yutaka Ohuchi, Masaji Suzuki, Hajime Asanuma, Sadakazu Yokomori 1998-05-19
5733917 Heterocyclic compound Yutaka Ohuchi, Masaji Suzuki, Hajime Asanuma, Sadakazu Yokomori, Yoshihiko Isobe +2 more 1998-03-31
5712263 Steroid derivatives Chihiro Yokoo, Hisaya Wada, Hidemichi Mitome, Tatsuhiko Sano, Yasuji Yamada 1998-01-27
5672712 Thiazoline derivatives Masakazu Sato, Akira Manaka, Keiko Takahashi, Yutaka Kawashima 1997-09-30
5631355 5-O-desosaminylerythronolide a derivatives Toshifumi Asaka, Masato Kashimura, Yoko Misawa, Shigeo Morimoto 1997-05-20
5631354 5-O-desosaminylerythronolide derivatives Toshifumi Asaka, Yoko Misawa, Masato Kashimura, Shigeo Morimoto 1997-05-20
5602239 5-O-desosaminylerythronolide derivatives Yoko Misawa, Toshifumi Asaka, Masato Kashimura, Shigeo Morimoto 1997-02-11
5597921 Indolo[2,3-b]quinoxaline derivatives Taro MATSUMOTO, Hisaya Wada, Yoshihiro Migita, Yoshinori Sekiguchi 1997-01-28
5591837 5-O-desosaminylerythronolide a derivative Toshifumi Asaka, Masato Kashimura, Yoko Misawa, Shigeo Morimoto 1997-01-07
5571820 Heterocyclic compound Yutaka Ohuchi, Masaji Suzuki, Hajime Asanuma, Sadakazu Yokomori, Yoshihiko Isobe +2 more 1996-11-05
5523399 5-O-desosaminylerythronolide derivatives Toshifumi Asaka, Yoko Misawa, Masato Kashimura, Shigeo Morimoto 1996-06-04
5521311 5-aminoacetylaminosulfonanilide compounds Kensei Yoshikawa, Shiuji Saito, Yohichi Shimazaki, Mariko Kashiwa 1996-05-28
5502202 Aminoalkylthiazole derivative Atsuro Nakazato, Yoshinori Sekiguchi, Yutaka Kawashima 1996-03-26
5496829 Use of 2-nitroxyethyl (+)apovincaminate Shigeru Okuyama, Susumu Otomo, Yutaka Kawashima 1996-03-05
5495046 Alkoxyphenylalkylamine derivatives Atsuro Nakazato, Yoshinori Sekiguchi, Koumei Ohta, Yutaka Kawashima 1996-02-27
5478945 Thiazoline derivatives Masakazu Sato, Akira Manaka, Keiko Takahashi, Yutaka Kawashima 1995-12-26
5475130 Anilide derivative Masakazu Sato, Yutaka Kawashima 1995-12-12
5449826 5-amino-2-phenoxysulfonanilide compound Kensei Yoshikawa, Shuji Saito, Yohichi Shimazaki, Mariko Kashiwa 1995-09-12
5416212 Anilide derivatives Masakazu Sato, Masahiro Kawase, Akira Manaka, Yutaka Kawashima 1995-05-16
5403923 6-0-methylerythromycin A derivatives Masato Kashimura, Toshifumi Asaka, Shigeo Morimoto 1995-04-04
5374764 5-aminosulfonanilide compounds Kensei Yoshikawa, Shiuji Saito, Yohichi Shimazaki, Mariko Kashiwa 1994-12-20
5350839 2'-position modified compound of erythromycin or its derivative Toshifumi Asaka, Yoko Misawa, Masato Kashimura, Shigeo Morimoto, Yoshiaki Watanabe 1994-09-27
5347012 Naphthothiopyranone derivatives Tatsuhiko Sano, Keiko Saijo, Sadakazu Yokomori, Yoshimoto Nakashima 1994-09-13
5302705 6-O-methylerythromycin A oxime derivatives Yoko Misawa, Toshifumi Asaka, Masato Kashimura, Shigeo Morimoto, Yoshiaki Watanabe 1994-04-12