KK

Kanemasa Katsu

EI Eisai: 14 patents #71 of 998Top 8%
Overall (All Time): #357,210 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6037341 Carbapenem derivatives Nobuaki Sato, Manabu Sasho, Atsushi Kamata, Takaaki Suzuki, Isao Sugiyama +1 more 2000-03-14
5741902 7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for their preparation Shigeto Negi, Motosuke Yamanaka, Isao Sugiyama, Yuuki Komatu, Atsushi Kamata +2 more 1998-04-21
5604217 7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for their preparation Shigeto Negi, Motosuke Yamanaka, Isao Sugiyama, Yuuki Komatu, Atsushi Kamata +2 more 1997-02-18
5587473 7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for their preparation Shigeto Negi, Motosuke Yamanaka, Isao Sugiyama, Yuuki Komatu, Atsushi Kamata +2 more 1996-12-24
5563265 7-acyl-3-(substituted carbamoyloxy) cephem compounds Shigeto Negi, Motosuke Yamanaka, Isao Sugiyama, Yuuki Komatu, Atsushi Kamata +2 more 1996-10-08
5559225 7-acyl-3-(substituted carbamoyloxy) cephem compound Shigeto Negi, Motosuke Yamanaka, Isao Sugiyama, Yuuki Komatu, Atsushi Kamata +2 more 1996-09-24
5151417 3-substituted vinyl cephalosporin derivatives Manabu Sasho, Hiroshi Yamauchi, Motosuke Yamanaka, Takaharu Nakamura, Isao Sugiyama +2 more 1992-09-29
5128465 Process for the preparation of cephem derivatives and intermediates therefor Takashi Kamiya, Toshihiko Naito, Yuuki Komatu, Yasunobu Kai, Takaharu Nakamura +4 more 1992-07-07
5089491 3-propenylcephem derivative Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai +6 more 1992-02-18
5006649 3-propenylcephem derivative Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai +6 more 1991-04-09
4929612 Thiadiazolylacetamide cephem derivatives Yoshimasa Machida, Shigeto Negi, Takashi Kamiya, Yuuki Komatu, Isao Sugiyama +5 more 1990-05-29
4921850 3-propenylcephem derivative Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai +6 more 1990-05-01
4285939 Cephalosporin derivatives, and antibacterial drugs containing the derivatives Yoshimasa Machida, Isao Saito, Motosuke Yamanaka, Seiichiro Nomoto, Shigeto Negi +4 more 1981-08-25
4285941 Cephalosporin compounds and antibacterial drugs containing the same Yoshimasa Machida, Isao Saito, Seiichiro Nomoto, Shigeto Negi, Takeo Kanai +3 more 1981-08-25