AK

Akira Katayama

FC Fujisawa Pharmaceutical Co.: 2 patents #307 of 782Top 40%
📍 Tsukuba, JP: #1,315 of 2,818 inventorsTop 50%
Overall (All Time): #2,216,172 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6420409 Benzimidazole derivatives Noritsugu Yamasaki, Takafumi Imoto, Teruo Oku, Hiroshi Kayakiri, Osamu Onomura +3 more 2002-07-16
4939241 Amino acid derivatives of antitumor activity Masakuni Okuhara, Toshio Goto, Masami Ezaki, Miho Tanaka, Shigehiro Takase +2 more 1990-07-03