YK

Yuuki Komatu

EI Eisai: 13 patents #79 of 998Top 8%
Overall (All Time): #390,485 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5741902 7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for their preparation Shigeto Negi, Motosuke Yamanaka, Kanemasa Katsu, Isao Sugiyama, Atsushi Kamata +2 more 1998-04-21
5604217 7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for their preparation Shigeto Negi, Motosuke Yamanaka, Kanemasa Katsu, Isao Sugiyama, Atsushi Kamata +2 more 1997-02-18
5587473 7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for their preparation Shigeto Negi, Motosuke Yamanaka, Kanemasa Katsu, Isao Sugiyama, Atsushi Kamata +2 more 1996-12-24
5563265 7-acyl-3-(substituted carbamoyloxy) cephem compounds Shigeto Negi, Motosuke Yamanaka, Kanemasa Katsu, Isao Sugiyama, Atsushi Kamata +2 more 1996-10-08
5559225 7-acyl-3-(substituted carbamoyloxy) cephem compound Shigeto Negi, Motosuke Yamanaka, Kanemasa Katsu, Isao Sugiyama, Atsushi Kamata +2 more 1996-09-24
5373000 7Beta-(thiadiazolyl)-2-iminoacetamido-3cephem compounds Yoshimasa Machida, Takashi Kamiya, Shigeto Negi, Toshihiko Naito, Seiichiro Nomoto +2 more 1994-12-13
5151417 3-substituted vinyl cephalosporin derivatives Manabu Sasho, Hiroshi Yamauchi, Motosuke Yamanaka, Takaharu Nakamura, Kanemasa Katsu +2 more 1992-09-29
5128465 Process for the preparation of cephem derivatives and intermediates therefor Takashi Kamiya, Toshihiko Naito, Yasunobu Kai, Takaharu Nakamura, Manabu Sasho +4 more 1992-07-07
5089491 3-propenylcephem derivative Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yasunobu Kai, Takaharu Nakamura +6 more 1992-02-18
5006649 3-propenylcephem derivative Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yasunobu Kai, Takaharu Nakamura +6 more 1991-04-09
4929612 Thiadiazolylacetamide cephem derivatives Yoshimasa Machida, Shigeto Negi, Takashi Kamiya, Isao Sugiyama, Yasunobu Kai +5 more 1990-05-29
4921850 3-propenylcephem derivative Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yasunobu Kai, Takaharu Nakamura +6 more 1990-05-01
4721788 4-cyanopiperidine derivatives Hiroshi Yamauchi, Seiichiro Nomoto, Isao Sugiyama, Takeo Kanai, Keizo Takayanagi +3 more 1988-01-26