SK

Shigeo Katsumata

KC Kyowa Hakko Kogyo Co.: 6 patents #161 of 943Top 20%
📍 Mishima, JP: #259 of 754 inventorsTop 35%
Overall (All Time): #891,358 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5366966 Compound UCE6 Hirofumi Nakano, Noboru Fujii, Yoshinori Yamashita, Youichi Uosaki, Shigeru Chiba +1 more 1994-11-22
5344926 Process for producing staurosporine derivatives Chikara Murakata, Toshimitsu Takiguchi, Akira Mihara, Keiichi Takahashi, Hiromitsu Saito +3 more 1994-09-06
5138059 DC-89 compounds and process for their preparation Keiichi Takahashi, Michio Ichimura, Tatsuhiro Ogawa, Makoto Morimoto, Tadashi Ashizawa +5 more 1992-08-11
4649199 Salt of DC-52 and a pharmaceutical composition containing the same Shinzo Ishii, Yukou Arai, Kazuhisa Fujimoto, Makoto Morimoto 1987-03-10
4563462 Substance AX-2, a process for producing the same and an antitumor composition containing the same Shinzo Ishii, Yuko Arai, Tadashi Ashizawa, Makoto Morimoto, Kunikatsu Shirahata +2 more 1986-01-07
4560661 Process for purifying enzymes Hideo Katsumata, Shinzo Ishii, Yuko Arai 1985-12-24