MI

Masaaki Ishizuka

ZK Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai: 24 patents #8 of 194Top 5%
KK Kanegafuchi Kagaku Kogyo: 4 patents #134 of 691Top 20%
ME Mercian: 2 patents #34 of 110Top 35%
KC Kanegafuchi Chemical Industry Co.: 1 patents #86 of 179Top 50%
BC Banyu Pharmaceutical Co.: 1 patents #210 of 330Top 65%
TC Taiho Pharmaceutical Co.: 1 patents #236 of 484Top 50%
BR Bristol-Meyers: 1 patents #205 of 350Top 60%
Overall (All Time): #140,066 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4198480 Process for producing antibiotic baumycin complex and components Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Hiroshi Naganawa, Toshikazu Oki +1 more 1980-04-15
4192915 Anthracycline glycosides from streptomyces Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Hiroshi Naganawa, Toshikazu Oki +1 more 1980-03-11
4189438 Physiologically active substance esterastin Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi, Masa Hamada 1980-02-19