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 26–29 of 29 patents

Patent #TitleCo-InventorsDate
4219622 Process for producing antibiotics MA 144-M.sub.1 and MA 144-M.sub.2 Hamao Umezawa, Tomio Takeuchi, Masaaki Ishizuka, Norio Shibamoto, Toshikazu Oki +1 more 1980-08-26
4204038 Process for preparing antibiotics MA 144-M.sub.1 and MA 144-M.sub.2 Hamao Umezawa, Tomio Takeuchi, Masaaki Ishizuka, Norio Shibamoto, Toshikazu Oki +1 more 1980-05-20
4198480 Process for producing antibiotic baumycin complex and components Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Masaaki Ishizuka, Toshikazu Oki +1 more 1980-04-15
4192915 Anthracycline glycosides from streptomyces Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Masaaki Ishizuka, Toshikazu Oki +1 more 1980-03-11