HT

Hiroshi Tsumuki

KC Kyowa Hakko Kogyo Co.: 4 patents #233 of 943Top 25%
Overall (All Time): #1,276,133 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6306847 Condensed purine derivatives Mayumi Saki, Hiromi Nonaka, Michio Ichimura, Junichi Shimada, Fumio Suzuki +2 more 2001-10-23
6222035 [1,2,4] triazolo [1,5-C] pyrimidine derivatives Junichi Shimada, Hironori Imma, Akiko Nakamura, Hiromi Nonaka, Shizuo Shiozaki +5 more 2001-04-24
5646283 Tetracyclic compound Fumio Suzuki, Yoshisuke Nakasato, Soichiro Sato, Tadafumi Tamura, Hiroshi Nakajima 1997-07-08
5371225 Tetracyclic compounds Fumio Suzuki, Yoshisuke Nakasato, Kenji Ohmori, Hiroshi Nakajima, Tadafumi Tamura +1 more 1994-12-06