KK

Kyosuke Kitoh

EI Eisai: 25 patents #20 of 998Top 3%
Overall (All Time): #165,973 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5854274 Tricyclic heterocyclic sulfonamide and sulfonic ester derivatives Hiroshi Yoshino, Norihiro Ueda, Jun Niijima, Toru Haneda, Yoshihiko Kotake +5 more 1998-12-29
5846969 Tricyclic heterocyclic sulfonamide and sulfonic ester derivatives Hiroshi Yoshino, Norihiro Ueda, Jun Niijima, Toru Haneda, Yoshihiko Kotake +5 more 1998-12-08
5834462 Tricyclic heterocyclic sulfonamide and sulfonic ester derivatives Hiroshi Yoshino, Norihiro Ueda, Jun Niijima, Toru Haneda, Yoshihiko Kotake +5 more 1998-11-10
5688800 Condensed pyrimidine derivative Hiroaki Nomura, Toru Haneda, Yoshihiko Kotake, Norihiro Ueda 1997-11-18
5610304 Pyrimidinyl or pyridinyl sulfonamide substituted compounds Hiroshi Yoshino, Norihiro Ueda, Hiroyuki Sugumi, Jun Niijima, Yoshihiko Kotake +8 more 1997-03-11
5610320 Sulfonamide phenyl substituted compounds Hiroshi Yoshino, Norihiro Ueda, Hirovuki Sugumi, Jun Niijima, Yoshihiko Kotake +8 more 1997-03-11
5554615 Condensed pyrimidine derivative Hiroaki Nomura, Toru Haneda, Yoshihiko Kotake, Norihiro Ueda 1996-09-10
5434172 Sulfonamide derivatives Hiroshi Yoshino, Norihiro Ueda, Hiroyuki Sugumi, Jun Niijima, Yoshihiko Kotake +8 more 1995-07-18
5332751 Pyridine carboxamide compounds which have useful as pharmaceutical utility Hiroshi Yoshino, Norihiro Ueda, Hiroyuki Sugumi, Jun Niijima, Yoshihiko Kotake +8 more 1994-07-26
5292758 Sulfonamide derivatives Hiroshi Yoshino, Norihiro Ueda, Hiroyuki Sugumi, Jun Niijima, Yoshihiko Kotake +8 more 1994-03-08
5250549 Sulfonamide derivatives Hiroshi Yoshino, Norihiro Ueda, Hiroyuki Sugumi, Jun Niijima, Yoshihiko Kotake +8 more 1993-10-05
5089491 3-propenylcephem derivative Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai +6 more 1992-02-18
5075296 Azacyclooctadiene compound and pharmaceutical use Kenji Koga, Kiyoshi Tomioka, Yoshihiro Kubota, Makoto Asada 1991-12-24
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
4839389 Polyprenyl alcohol-containing injections Noritoshi Koyama, Takayuki Ikeuchi, Seiichi Araki, Katsumi Ida 1989-06-13
4546176 7-Carboxymethoxyphenylacetamido-3-cephem derivatives and antibacterial preparations containing the same Yoshimasa Machida, Shigeto Negi, Seiichiro Nomoto, Takashi Kamiya, Isao Saito 1985-10-08
4513145 2-Methylchromone derivatives and process for their preparation Shigeto Negi, Seiichiro Nomoto, Takashi Kamiya, Yoshimasa Machida, Isao Saito 1985-04-23
4468394 Cephalosporin compounds Yoshimasa Machida, Isao Saito, Isao Sugiyama, Shigeto Negi, Seiichiro Nomoto +2 more 1984-08-28
4415567 7.alpha.-Methoxycephalosporin derivatives, and antibacterial drugs containing the same Yoshimasa Machida, Isao Saito, Seiichiro Nomoto, Shigeto Negi, Hironori Ikuta 1983-11-15
4344944 7-.alpha.-methoxycephalosporin derivatives, and antibacterial drugs onctaining the same Yoshimasa Machida, Isao Saito, Seiichiro Nomoto, Shigeto Negi, Hironori Ikuta 1982-08-17
4285939 Cephalosporin derivatives, and antibacterial drugs containing the derivatives Yoshimasa Machida, Isao Saito, Motosuke Yamanaka, Seiichiro Nomoto, Shigeto Negi +4 more 1981-08-25
4285940 Cephalosporin derivatives, and antibacterial drugs comprising said derivatives Yoshimasa Machida, Isao Saito, Seiichiro Nomoto, Shigeto Negi, Hironori Ikuta 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