Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7935838 | Process for production of steroid compound | Kazuo Maruhashi, Shingo Yano | 2011-05-03 |
| 7595415 | α-Substituted vinyltin compound | — | 2009-09-29 |
| 6855824 | Processes for preparing quinoline derivatives and intermediates thereof | Shigeki Kikuyama, Yoshin Tamai | 2005-02-15 |
| 6255339 | Tetrahydronaphthofuranone derivatives and process for producing the same | Kenichi Kurihara, Rie Shinei, Kiyoshi Tanabe, Yasuo Yamamoto, Keiichi Ajito +4 more | 2001-07-03 |
| 5705650 | Process for preparing 1,2,4-thiadiazole derivatives | Yasuyuki Kurita, Takashi Inagaki, Ryonosuke Yoshida | 1998-01-06 |
| 4925877 | Physiologically active erbstatin analogue compounds and compositions | Hamao Umezawa, Tomio Takeuchi, Kunio Isshika, Masaya Imoto | 1990-05-15 |
| 4877870 | Process for producing 10-hydroxyanthracyclines | Hamao Umezawa, Hiroyuki Kawai, Shohachi Nakajima | 1989-10-31 |
| 4870207 | Synthesis of arphamenine A | Hamao Umezawa, Takaaki Aoyagi, Takeshi Nakamura, Shunzo Fukatsu | 1989-09-26 |
| 4818818 | Method for the preparation of 4'-0-tetrahydropyranyladriamycin b | Hamao Umezawa, Tomio Takeuchi, Yoshikazu Takahashi | 1989-04-04 |
| 4710564 | Anthracycline compounds | Noboru Otake, Shigeyuki Mizobuchi, Nobuyasu Komeshima, Shohachi Nakajima, Hiroyuki Kawai +1 more | 1987-12-01 |
| 4463171 | Derivatives of macrolide antibiotics | Hamao Umezawa, Tomio Takeuchi, Tomoyuki Ishikura, Rokuro Okamoto, Masao Yamamoto +1 more | 1984-07-31 |
| 4374980 | 3'-Deamino-3'-morpholino carminomycin | Hamao Umezawa, Tomio Takeuchi, Yoshikazu Takahashi | 1983-02-22 |
| 4360664 | Anthracycline glycoside 14-halo,4'-ether | Hamao Umezawa, Tomio Takeuchi, Hiroshi Naganawa | 1982-11-23 |
| 4355026 | 4-Demethoxy,11-deoxy anthracycline derivatives | Hamao Umezawa, Tomio Takeuchi, Hiroshi Naganawa | 1982-10-19 |
| 4303785 | Antitumor anthracycline antibiotics | Hamao Umezawa, Tomio Takeuchi, Hiroshi Naganawa | 1981-12-01 |
| 4255564 | Novel macrolactone derivatives and process of producing them | Sumio Umezawa, Hamao Umezawa | 1981-03-10 |
| 4196280 | Novel macrolactone derivatives and process of producing them | Sumio Umezawa, Hamao Umezawa | 1980-04-01 |