KK

Katsuro Kubo

SC Sanraku-Ocean Co.: 2 patents #18 of 40Top 45%
SI Sanraku Incorporated: 1 patents #19 of 48Top 40%
Overall (All Time): #1,678,456 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4612371 Anthracycline antibiotics Akihiro Yoshimoto, Shizuka Fujii, Tomoyuki Ishikura, Tsutomu Sawa, Tomio Takeuchi +1 more 1986-09-16
4508648 Phosphoric ester of antibiotic OA-6129 Takeo Yoshioka, Mitsuyasu Okabe, Yasuo Fukagawa, Tomoyuki Ishikura 1985-04-02
4438201 Amidohydrolase having ability to depantothenylate an antibiotic Yasuo Fukagawa, Tomoyuki Ishikura 1984-03-20