YW

Yoshiaki Watanabe

TC Taisho Pharmaceutical Co.: 23 patents #6 of 557Top 2%
CP Chugai Pharmaceutical: 5 patents #198 of 1,238Top 20%
NC Nippon Zeon Co.: 1 patents #307 of 609Top 55%
NI Nissan Chemical Industries: 1 patents #655 of 1,150Top 60%
📍 Kodaira, JP: #51 of 1,073 inventorsTop 5%
Overall (All Time): #132,511 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
4476298 Erythromycin A derivatives Shigeo Morimoto, Yoko Takahashi, Sadafumi Omura 1984-10-09
4357470 Cephalosporin compounds Chihiro Yokoo, Toshifumi Asaka, Akira Onodera, Kaoru Sota, Jiro Sawada 1982-11-02
4331803 Novel erythromycin compounds Shigeo Morimoto, Sadafumi Omura 1982-05-25
4190581 Novel penicillin derivatives Chihiro Yokoo, Toshifumi Asaka, Jiro Sawada 1980-02-26