Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5747502 | Process for preparing benzoc!phenanthridinium derivatives, novel compounds prepared by said process, and antitumor agents | Miyoji Hanaoka, Hisao Ekimoto, Fumiko Kobayashi, Yukio Irie, Masanobu Suzuki +3 more | 1998-05-05 |
| 5214048 | Oxetanocins | Nobuyoshi Shimada, Shigeru Hasegawa, Takayuki Tomizawa, Seiichi Saito, Kyoichi Shibuya +5 more | 1993-05-25 |
| 5179084 | Antiviral phosphoric acid esters of oxetanocins | Seiichi Saito, Shigeru Hasegawa, Masayuki Kitagawa, Nobuyoshi Shimada, Jun-ichi Seki +4 more | 1993-01-12 |
| 5128493 | Platinum complexes | Hiroyoshi Nowatari, Hiroshi Hayami, Yasuo Kuroda, Sumio Yoda | 1992-07-07 |
| 5068376 | Novel platinum complexes | Hiroyoshi Nowatari, Hiroshi Hayami, Yasuo Kuroda, Sumio Yoda | 1991-11-26 |
| 5041447 | Oxetanocin-related compounds and pharmaceutical compositions containing them | Seiichi Saito, Shigeru Hasegawa, Nobuyoshi Shimada, Jun-ichi Seki, Hiroo Hoshino +3 more | 1991-08-20 |
| 4987246 | Novel platinum complexes | Hiroyoshi Nowatari, Hiroshi Hayami, Yasuo Kuroda, Sumio Yoda | 1991-01-22 |
| 4956504 | Novel spergualin-related compounds and process for producing the same | Tomio Takeuchi, Tetsushi Saino, Masao Yoshida, Teruya Nakamura, Hamao Umezawa | 1990-09-11 |
| 4921984 | Novel platinum complexes | Hiroyoshi Nowatari, Hiroshi Hayami, Yasuo Kuroda, Sumio Yoda | 1990-05-01 |
| 4864043 | Platinum complexes | Hiroyoshi Nowatari, Hiroshi Hayami, Yasuo Kuroda, Sumio Yoda | 1989-09-05 |
| 4861905 | Platinum complexes | Hiroyoshi Nowatari, Hiroshi Hayami, Yasuo Kuroda, Sumio Yoda | 1989-08-29 |
| 4824955 | Selenium oxy chloride-pyridine or bipyridine complexes | Hisao Ekimoto, Masanobu Suzuki, Takao Izawa, Tokuji Nakatani, Akio Fujii | 1989-04-25 |
| 4808703 | Novel 3-(4'-aminobutylamino) propylaminobleomycin derivatives | Hamao Umezawa, Akio Fujii, Yasuhiko Muraoka, Tokuji Nakatani, Takeyo Fukuoka | 1989-02-28 |
| 4737589 | Platinum Complexes | Hiroyoshi Nowatari, Hiroshi Hayami, Yasuo Kuroda, Sumio Yoda | 1988-04-12 |
| 4607114 | Novel platinum complexes | Yuya Nakayama, Kenji Iwata | 1986-08-19 |
| 4568490 | Aminopropylaminobleomycin derivatives and process for preparation thereof | Hamao Umezawa, Akio Fujii, Yasuhiko Muraoka, Tokuji Nakatani, Takeyo Fukuoka | 1986-02-04 |
| 4556735 | Spergualin-related compounds having a phenylene group as well as a process for producing the same | Hamao Umezawa, Tomio Takeuchi, Rinzo Nishizawa, Teruya Nakamura, Yoshihisa Umeda | 1985-12-03 |
| 4537880 | Aminopropylaminobleomycin derivatives and process for preparation thereof | Hamao Umezawa, Akio Fujii, Yasuhiko Muraoka, Tokuji Nakatani, Takeyo Fukuoka | 1985-08-27 |
| 4529549 | Spergualin-related compounds and process for the preparation thereof | Hamao Umezawa, Tomio Takeuchi, Rinzo Nishizawa, Teruya Nakamura, Yoshihisa Umeda | 1985-07-16 |
| 4500452 | (Amido)N-substituted bleomycins, salts thereof and process for preparation thereof | Hamao Umezawa, Akio Fujii, Yasuhiko Muraoka, Tokuji Nakatani, Takeyo Fukuoka | 1985-02-19 |
| 4472304 | (Amido)N-substituted bleomycins, salts thereof and process for preparation thereof | Hamao Umezawa, Akio Fujii, Yasuhiko Muraoka, Tokuji Nakatani, Takeyo Fukuoka | 1984-09-18 |
| 4327081 | Method of enhancing absorption of antitumor agent into gastro-intestinal tumor site and orally administrable antitumor compositions therefor | Akira Matsuda, Osamu Yoshioka, Kooichi Yoshida, Hiroshi Ninomiya | 1982-04-27 |
| 4273761 | Method of enhancing absorption of antitumor agent into gastrointestinal tumor site and orally administrable antitumor compositions therefor | Akira Matsuda, Osamu Yoshioka, Kooichi Yoshida, Hiroshi Ninomiya | 1981-06-16 |