TN

Toshihiko Naito

EI Eisai: 13 patents #79 of 998Top 8%
EC Eisai R&D Management Co.: 2 patents #329 of 817Top 45%
📍 Ibaraki, JP: #610 of 6,779 inventorsTop 9%
Overall (All Time): #325,762 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
8058474 Urea derivative and process for preparing the same 2011-11-15
7683172 Urea derivative and process for preparing the same Kazuhiro Yoshizawa 2010-03-23
6841549 Condensed imidazole compounds and a therapeutic agent for diabetes mellitus Osamu Asano, Hitoshi Harada, Seiji Yoshikawa, Nobuhisa Watanabe, Takashi Inoue +16 more 2005-01-11
5792781 Antifungal agents, processes for the preparation thereof, and intermediates Katsura Hata, Yumiko Kaku, Akihiko Tsuruoka, Itaru Tsukada, Manabu Yanagisawa +2 more 1998-08-11
5789429 Antifungal agents, processes for the preparation thereof, and intermediates Katsura Hata, Yumiko Kaku, Akihiko Tsuruoka, Itaru Tsukada, Manabu Yanagisawa +2 more 1998-08-04
5663414 Benzenesulfonamide derivatives Hitoshi Oinuma, Takashi Hasegawa, Tadanobu Takamura, Kenichi Nomoto, Yoshiharu Daiku +1 more 1997-09-02
5648372 Antifungal agents, and compositions Katsura Hata, Yumiko Kaku, Akihiko Tsuruoka, Itaru Tsukada, Manabu Yanagisawa +2 more 1997-07-15
5530118 Benzenesulfonamide derivatives Hitoshi Oinuma, Takashi Hasegawa, Tadanobu Takamura, Kenichi Nomoto, Yoshiharu Daiku +1 more 1996-06-25
5373000 7Beta-(thiadiazolyl)-2-iminoacetamido-3cephem compounds Yoshimasa Machida, Takashi Kamiya, Shigeto Negi, Yuuki Komatu, Seiichiro Nomoto +2 more 1994-12-13
5281626 Benzenesulfonamide derivatives Hitoshi Oinuma, Takashi Hasegawa, Tadanobu Takamura, Kenichi Nomoto, Yoshiharu Daiku +1 more 1994-01-25
5128465 Process for the preparation of cephem derivatives and intermediates therefor Takashi Kamiya, Yuuki Komatu, Yasunobu Kai, Takaharu Nakamura, Manabu Sasho +4 more 1992-07-07
5089491 3-propenylcephem derivative Takashi Kamiya, Shigeto Negi, Yuuki Komatu, Yasunobu Kai, Takaharu Nakamura +6 more 1992-02-18
5006649 3-propenylcephem derivative Takashi Kamiya, Shigeto Negi, Yuuki Komatu, Yasunobu Kai, Takaharu Nakamura +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, Shigeto Negi, Yuuki Komatu, Yasunobu Kai, Takaharu Nakamura +6 more 1990-05-01