HN

Hiroshi Naganawa

ZK Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai: 23 patents #9 of 194Top 5%
MF Microbial Chemistry Research Foundation: 3 patents #17 of 110Top 20%
KK Kanegafuchi Kagaku Kogyo: 1 patents #368 of 691Top 55%
BR Bristol-Meyers: 1 patents #205 of 350Top 60%
SI Sanraku Incorporated: 1 patents #19 of 48Top 40%
MK Meiji Seika Kaisha: 1 patents #353 of 752Top 50%
HC Hokko Chemical Industry Co.: 1 patents #66 of 157Top 45%
Overall (All Time): #132,765 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
7271147 Antibiotics, tripropeptins and process for producing the same Tomio Takeuchi, Hideki Hashizume, Masayuki Igarashi, Masa Hamada 2007-09-18
6939892 Compositions for treating or preventing malaria and method of treating malaria Tomio Takeuchi, Yusuke Wataya, Munekazu Iinuma, Hye-Sook Kim, Hiroomi Watabe +1 more 2005-09-06
6780616 Antibiotic caprazamycins and process for producing the same Tomio Takeuchi, Masayuki Igarashi, Masa Hamada 2004-08-24
6245734 Physiologically active polyoxypeptin and deoxypolyoxypeptin and anticancer drugs containing the same Tomio Takeuchi, Kazuo Umezawa, Shinichi Kondo, Yoko Ikeda, Masa Hamada 2001-06-12
6214340 Physiologically active substance sulphostin, process for producing the same, and use thereof Tomio Takeuchi, Masa Hamada, Yasuhiko Muraoka, Tetsuo Akiyama, Masatoshi Abe +1 more 2001-04-10
5527820 Antibiotics having immunosuppressive activity, delaminomycins and processes for the production of the same Masaaki Ishizuka, Mitsuhiro Ueno, Hironobu Iinuma, Masa Hamada, Kenji Maeda +1 more 1996-06-18
5359138 Poststatin and related compounds or salts thereof Tomio Takeuchi, Takaaki Aoyagi, Masa Hamada, Keiji Ogawa, Machiko Nagai +2 more 1994-10-25
5215981 Polyether antibiotic MI215-NF3 substance, production process thereof, and agent for control of chicken coccidiosis Tomio Takeuchi, Yoshikazu Takahashi, Masa Hamada, Kiyoshi Sato 1993-06-01
5162500 Poststatin and related compounds or salts thereof Tomio Takeuchi, Takaaki Aoyagi, Masa Hamada, Keiji Ogawa, Machiko Nagai +2 more 1992-11-10
5117052 Physiologically active substances, benastatins A and B, and production and use thereof Tomio Takeuchi, Takaaki Aoyagi, Masa Hamada, Yasuhiko Muraoka, Takayuki Aoyama 1992-05-26
5098935 Carcinostatic or antitumor antibiotic, conagenin, and production and uses thereof Masaaki Ishizuka, Takashi Yamashita, Hironobu Iinuma, Kunio Isshiki, Masa Hamada +2 more 1992-03-24
5096924 Anticancer antibiotic MI43-37F11 substance Masaaki Ishizuka, Hiroyuki Kumagai, Tsutomu Sawa, Hironobu Iinuma, Kunio Isshiki +3 more 1992-03-17
5021549 Physiologically active substances, probestin and prostatin and production thereof Tomio Takeuchi, Takaaki Aoyagi, Masa Hamada, Shigemi Yoshida 1991-06-04
4918172 Anthracycline antibiotics Akihiro Yoshimoto, Osamu Jodo, Yoshio Watanabe, Rokuro Okamoto, Tomoyuki Ishikura +2 more 1990-04-17
4742155 Plipastatin and method for preparation thereof Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi, Masa Hamada, Yasuhiko Muraoka +1 more 1988-05-03
4686308 Novel physiologically active substance MH435 Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Tsutomu Sawa, Masaya Imoto +3 more 1987-08-11
4565861 Serirubicum Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Tsutomu Sawa, Takeshi Uchida +1 more 1986-01-21
4550159 Anthracycline compounds Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Tsutomu Sawa, Takeshi Uchida +1 more 1985-10-29
4495347 Antibiotic oxanosine and process for the preparation thereof Hamao Umezawa, Nobuyoshi Shimada, Tomohisa Takita, Masa Hamada, Tomio Takeuchi 1985-01-22
4474880 Antibiotic BMG162-aF2, a process for production thereof, and antitumor drug containing said antibiotic as active ingredient Hamao Umezawa, Tomio Takeuchi, Hironobu Iinuma, Setsuko Kunimoto 1984-10-02
4416899 Antibiotic BMG162-aF2, a process for production thereof, and antitumor drug containing said new antibiotic as active ingredient Hamao Umezawa, Tomio Takeuchi, Hironobu Iinuma, Setsuko Kunimoto 1983-11-22
4394446 Process for the preparation of the antibiotic oxanosine Hamao Umezawa, Nobuyoshi Shimada, Tomohisa Takita, Masa Hamada, Tomio Takeuchi 1983-07-19
4360664 Anthracycline glycoside 14-halo,4'-ether Hamao Umezawa, Tomio Takeuchi, Kuniaki Tatsuta 1982-11-23
4355026 4-Demethoxy,11-deoxy anthracycline derivatives Hamao Umezawa, Tomio Takeuchi, Kuniaki Tatsuta 1982-10-19
4303785 Antitumor anthracycline antibiotics Hamao Umezawa, Tomio Takeuchi, Kuniaki Tatsuta 1981-12-01