Issued Patents All Time
Showing 26–50 of 160 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5958889 | Anthracycline derivatives having 4-amino-2,4,6-trideoxy-2-fluoro-mannopyranosyl group | Sumio Umezawa, Tsutomu Tsuchiya, Yasushi Takagi | 1999-09-28 |
| 5952380 | Method for treating diarrhea | Masaaki Ishizuka, Kenji Maeda, Toshiyuki Toko, Tadayoshi Shiraishi | 1999-09-14 |
| 5886167 | 2'-deoxy-2'-epi-2'-fluorocoformycin | Sumio Umezawa, Tsutomu Tsuchiya, Yoshiaki Takahashi | 1999-03-23 |
| 5849797 | D-.beta.-lysylmethanediamine derivatives and preparation thereof | Shinichi Kondo, Yoko Ikeda, Rie Shinei, Shuichi Gomi, Seiji Shibahara +1 more | 1998-12-15 |
| 5831072 | Process for the preparation of 2'-deoxy-2'-halocoformycins or steroisomers thereof | Sumio Umezawa, Tsutomu Tsuchiya, Yoshiaki Takahashi | 1998-11-03 |
| 5801257 | Anthracycline derivative having a trifluoromethylated sugar | Sumio Umezawa, Tsutomu Tsuchiya, Yasushi Takagi | 1998-09-01 |
| 5798387 | Amino acid derivatives | Masaaki Ishizuka, Masaji Kawazu, Toshiaki Katsumi, Yoshihide Fuse, Kenji Maeda | 1998-08-25 |
| 5789386 | Fluorine-containing anthracycline derivatives having hydroxyl groups(s) mono- or di-o-aminoalkanoylated in the sugar moiety thereof | Sumio Umezawa, Tsutomu Tsuchiya, Yasushi Takagi, Hiromi Sohtome | 1998-08-04 |
| 5773607 | Processes for preparing 2'-deoxy-2'-fluorocoformycin and stereoisomers thereof | Sumio Umezawa, Tsutomu Tsuchiya, Yoshiaki Takahashi | 1998-06-30 |
| 5756763 | Pyrrolidine derivatives | Takaaki Aoyagi, Yasuhiko Muraoka, Makoto Tsuda | 1998-05-26 |
| 5719130 | Anthracycline derivative having a trifluoromethylated sugar | Sumio Umezawa, Tsutomu Tsuchiya, Yasushi Takagi | 1998-02-17 |
| 5714643 | Processes for the preparation of D-chiro-inositol | Kiyoshi Sato, Makoto Yoshida, Kenji Kanbe, Kiyoshi Hirazawa | 1998-02-03 |
| 5693772 | Desalaninebenanomicin A derivatives and processes for the preparation thereof | Shinichi Kondo, Daishiro Ikeda, Toshio Nishizuka | 1997-12-02 |
| 5665779 | Pharmaceutical composition for inhibiting the infection with AIDS virus | Shinichi Kondo, Yoko Ikeda, Masa Hamada, Hiroo Hoshino | 1997-09-09 |
| 5618795 | Dibekacin derivatives and arbekacin derivatives active against resistant bacteria, and the production thereof | Shinichi Kondo, Seiji Shibahara, Takayuki Usui, Toshiaki Kudo, Shuichi Gomi +3 more | 1997-04-08 |
| 5541303 | 3,4'-dideoxymycaminosltylonolide derivative and process for producing the same | Sumio Umezawa, Osamu Tsuchiya, Shunji Kageyama, Toshiaki Miyake, Naoki Matsumoto +3 more | 1996-07-30 |
| 5527781 | 4-O-(aminoglycosyl)- or 4,6-di-O-(aminoglycosyl)-2,5-dideoxy-5,5-difluorostreptamine derivatives | Sumio Umezawa, Tsutomu Tsuchiya, Tetsuo Shitara, Shunzo Fukatsu, Eijiro Umemura | 1996-06-18 |
| 5527820 | Antibiotics having immunosuppressive activity, delaminomycins and processes for the production of the same | Masaaki Ishizuka, Mitsuhiro Ueno, Hironobu Iinuma, Hiroshi Naganawa, Masa Hamada +1 more | 1996-06-18 |
| 5488038 | Dibekacin derivatives and arbekacin derivatives active against resistant bacteria | Shinichi Kondo, Seiji Shibahara, Takayuki Usui, Toshiaki Kudo, Shuichi Gomi +3 more | 1996-01-30 |
| 5359138 | Poststatin and related compounds or salts thereof | Takaaki Aoyagi, Masa Hamada, Hiroshi Naganawa, Keiji Ogawa, Machiko Nagai +2 more | 1994-10-25 |
| 5288898 | N-methylphenylserine alkyl ester derivatives and uses thereof | Hamao Umezawa, Toshiharu Nagatsu, Hajime Morishima, Yoshio Sawasaki, Hiroshi Takezawa +1 more | 1994-02-22 |
| 5278052 | Process for the simultaneous production of benanomicins A and B | Takeshi Hara, Masa Hamada, Shinichi Kondo, Masaji Sezaki, Haruo Yamamoto +1 more | 1994-01-11 |
| 5221752 | .alpha.-keto amide derivatives | Tetsuya Someno, Fumika Yamada, Hideo Sugimura, Yasuhiko Muraoka, Makoto Tsuda +1 more | 1993-06-22 |
| 5215981 | Polyether antibiotic MI215-NF3 substance, production process thereof, and agent for control of chicken coccidiosis | Yoshikazu Takahashi, Masa Hamada, Hiroshi Naganawa, Kiyoshi Sato | 1993-06-01 |
| 5206384 | Actinonin derivatives and pharmaceutically acceptable salts thereof | Seiji Shibahara, Yoshiyuki Koyama, Shigeharu Inoue, Mitsugu Hachisu, Shinichi Kondo +1 more | 1993-04-27 |