Issued Patents All Time
Showing 76–100 of 160 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897470 | Anthracycline antibiotics DCP-1 and 2 | Akihiro Yoshimoto, Osamu Jodo, Yoshio Watanabe, Tomoyuki Ishikura, Tsutomu Sawa +1 more | 1990-01-30 |
| 4889926 | "Method for the synthesis of (2""R)-4'-O-tetra-hydropyranyladriamycim using 14-chloro-daunomycin as an intermediate" | Tomoya Machinami, Takeshi Nakamura, Ken Nishihata, Shinichi Kondo | 1989-12-26 |
| 4888418 | Derivatives of 13-deoxycarminomycin | Hiroyuki Kawai, Shohachi Nakajima | 1989-12-19 |
| 4873225 | 1-n-(4-amino-3-fluoro-2-hydroxybutyryl)-kanamycins | Sumio Umezawa, Tsutomu Tsuchiya, Kazuo Umezawa, Yoshiaki Takahashi, Tetsuo Shitara +2 more | 1989-10-10 |
| 4859593 | New physiologically active substance, arphamenine and production thereof | Hamao Umezawa, Takaaki Aoyagi, Masa Hamada, Masaaki Ishizuka | 1989-08-22 |
| 4851446 | Immunosuppressing method | Hamao Umezawa, Masaaki Ishizuka, Fuminori Abe, Akio Fujii, Teruya Nakamura | 1989-07-25 |
| 4833268 | Threo-adrenalinecarboxylic acid, and the production and uses thereof | Hamao Umezawa, Toshiharu Nagatsu, Hirotaro Narabayashi, Shuichi Iwadare, Ikuo Matsumoto +3 more | 1989-05-23 |
| 4818818 | Method for the preparation of 4'-0-tetrahydropyranyladriamycin b | Hamao Umezawa, Kuniaki Tatsuta, Yoshikazu Takahashi | 1989-04-04 |
| 4794173 | Mycaminosyl tylonolide derivatives | Hamao Umezawa, Sumio Umezawa, Tsutomu Tsuchiya, Akihiro Tanaka, Shuichi Sakamoto | 1988-12-27 |
| 4778824 | Method for suppressing a transplantation immunity and treating an allergic disease and an autoimmune disease | Hamao Umezawa, Masaaki Ishizuka, Fuminori Abe, Akio Fujii, Teruya Nakamura | 1988-10-18 |
| 4745067 | L-aminoacylases | Hamao Umezawa, Toshiharu Nagatsu, Masa Hamada, Shuichi Iwadare, Ikuo Matsumoto +1 more | 1988-05-17 |
| 4742155 | Plipastatin and method for preparation thereof | Hamao Umezawa, Takaaki Aoyagi, Masa Hamada, Hiroshi Naganawa, Yasuhiko Muraoka +1 more | 1988-05-03 |
| 4734493 | Novel anthracycline antibiotics | Akihiro Yoshimoto, Osamu Jodo, Yoshio Watanabe, Tomoyuki Ishikura, Tsutomu Sawa +1 more | 1988-03-29 |
| 4719231 | 3-[N-(mercaptoacyl)]amino-4-arylbutanoic acid derivatives and an analgesic agent comprising the same | Hamao Umezawa, Takaaki Aoyagi, Mitsugu Hachisu, Masao Hirayama, Shinjiro Murata +1 more | 1988-01-12 |
| 4716221 | 4'-demethyl-4-epipodophyllotoxin derivative | Hamao Umezawa, Shinichi Kondo, Wataru Tanaka, Tomohisa Takita, Yoshio Nishimura +1 more | 1987-12-29 |
| 4708944 | Protease adsorbent and process for purifying TPA utilizing the same | Tetsuya Someno, Kazuo Kato, Yasushi Takahashi, Shinichi Ishii, Hamao Umezawa | 1987-11-24 |
| 4699879 | Process for microbial production of an optically active 3-(3,4-dihydroxyphenyl)serine | Hamao Umezawa, Toshiharu Nagatsu, Masa Hamada, Shuichi Iwadare, Ikuo Matsumoto +1 more | 1987-10-13 |
| 4686308 | Novel physiologically active substance MH435 | Hamao Umezawa, Masa Hamada, Hiroshi Naganawa, Tsutomu Sawa, Masaya Imoto +3 more | 1987-08-11 |
| 4663342 | Pharmaceutical composition and method for immunopotentiation | Hamao Umezawa, Takaaki Aoyagi, Masa Hamada, Masaaki Ishizuka | 1987-05-05 |
| 4661495 | Arphamenine-related compounds useful for potentiating the immune response in a living animal | Hamao Umezawa, Takaaki Aoyagi, Shokichi Ohuchi | 1987-04-28 |
| 4658058 | 11-O-methylspergualin | Hamao Umezawa, Shinichi Kondo, Hironobu Iinuma, Daishiro Ikeda, Teruya Nakamura +1 more | 1987-04-14 |
| 4612371 | Anthracycline antibiotics | Akihiro Yoshimoto, Shizuka Fujii, Katsuro Kubo, Tomoyuki Ishikura, Tsutomu Sawa +1 more | 1986-09-16 |
| 4612372 | Tylosin derivatives | Takeo Yoshioka, Miharu Maeda, Rokuro Okamoto, Yasutaka Shimauchi, Tomoyuki Ishikura +2 more | 1986-09-16 |
| 4603015 | Method for producing glyoxylylspermidine and the use thereof for the production of 15-deoxy spergualin-related compounds | Yoshihisa Umeda, Makoto Moriguchi, Teruya Nakamura, Akio Fujii, Hamao Umezawa | 1986-07-29 |
| 4595698 | Physiologically active substance, arphamenine and production thereof | Hamao Umezawa, Takaaki Aoyagi, Masa Hamada, Masaaki Ishizuka | 1986-06-17 |