MA

Mitsuko Asai

TI Takeda Chemical Industries: 23 patents #23 of 1,420Top 2%
Overall (All Time): #187,076 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
4948534 Derivatives of .beta.-amino-.gamma.-trimethylammonio-butyrate and their production and use Susumu Shinagawa, Tsuneo Kanamaru, Setsuo Harada 1990-08-14
4521432 Physiologically active substance FA-5859, its derivative, their production and use Tsuneo Kanamaru, Susumu Shinagawa 1985-06-04
4518529 Antibiotics C-19393S.sub.2 Akira Imada, Setsuo Harada 1985-05-21
4497742 Isomerization of .beta.-lactam compounds Setsuo Harada, Shigetoshi Tsubotani 1985-02-05
4409147 Carbapenem compounds and their production Susumu Shinagawa, Akira Imada 1983-10-11
4373028 Culture of Nocardia ATCC 31309 Eiji Higashide, Seiichi Tanida, Masayuki Muroi 1983-02-08
4364866 Maytansinoids Kazuo Nakahama, Motowo Izawa 1982-12-21
4361650 Fermentation process of preparing demethyl maytansinoids Kazuo Nakahama, Motowo Izawa 1982-11-30
4360462 Process for preparing maytansinol Eiji Higashide, Seiichi Tanida 1982-11-23
4322348 Maytansinoids Motowo Izawa, Seiichi Tanida 1982-03-30
4320200 Antibiotic Eiji Higashide, Seiichi Tanida 1982-03-16
4315989 Biologically pure culture of the microorganism Nocardia ATCC31280 Eiji Higashide, Toru Hasegawa 1982-02-16
4307016 Demethyl maytansinoids Kazuo Nakahama, Motowo Izawa 1981-12-22
4298600 Antibiotic C-14482 A.sub.1 and method for producing same Eiji Higashide, Seiichi Tanida, Masayuki Muroi 1981-11-03
4294757 20-O-Acylmaytansinoids 1981-10-13
4292309 Antibiotics C-14482 B.sub.1, B.sub.2 and B.sub.3 Eiji Higashide, Seiichi Tanida, Masayuki Muroi 1981-09-29
4245047 Antibiotics produced from the microorganism nocardia Eiji Higashide, Toru Hasegawa 1981-01-13
4229533 Method for producing antibiotic C-15003 P-4 Eiji Higashide, Kazunori Hatano 1980-10-21
4229436 Antibiotic G-6302 Akira Imada, Kazuaki Kitano 1980-10-21
4228239 Method for producing antibiotic C-15003 P-3 Eiji Higashide, Kazunori Hatano 1980-10-14
4225494 Maytansinol esters Eiji Higashide, Seiichi Tanida 1980-09-30
4189472 Antibiotic C-11924 F-1 Toru Hasegawa, Kazunori Hatano 1980-02-19
4187292 Antibiotics produced from the microorganism nocardice Eiji Higashide, Toru Hasegawa 1980-02-05