YM

Yoshimasa Machida

EI Eisai: 42 patents #4 of 998Top 1%
Overall (All Time): #74,095 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 25 most recent of 42 patents

Patent #TitleCo-InventorsDate
6281214 Biphenyl derivatives Kozo Akasaka, Masahiro Yonaga, Akiharu Kajiwara, Kunizo Higurashi, Kohshi Ueno +10 more 2001-08-28
5849912 Biphenyl derivatives Kozo Akasaka, Masahiro Yonaga, Akiharu Kajiwara, Kunizo Higurashi, Kohshi Ueno +10 more 1998-12-15
5741902 7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for their preparation Shigeto Negi, Motosuke Yamanaka, Kanemasa Katsu, Isao Sugiyama, Yuuki Komatu +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, Yuuki Komatu +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, Yuuki Komatu +2 more 1996-12-24
5563265 7-acyl-3-(substituted carbamoyloxy) cephem compounds Shigeto Negi, Motosuke Yamanaka, Kanemasa Katsu, Isao Sugiyama, Yuuki Komatu +2 more 1996-10-08
5559225 7-acyl-3-(substituted carbamoyloxy) cephem compound Shigeto Negi, Motosuke Yamanaka, Kanemasa Katsu, Isao Sugiyama, Yuuki Komatu +2 more 1996-09-24
5527948 Naphthalene derivative Makoto Okita, Hiroshi Shirota, Masayuki Tanaka, Toshihiko Kaneko, Katsuya Tagami +13 more 1996-06-18
5482937 1,4-diazepine derivative and its pharmaceutical use Kazuo Okano, Shuhei Miyazawa, Richard Clark, Shinya Abe, Tetsuya Kawahara +14 more 1996-01-09
5476863 Glycerin derivative and its pharmacological use Kazuo Okano, Osamu Asano, Naoyuki Shimomura, Tetsuya Kawahara, Shinya Abe +11 more 1995-12-19
5476864 Glycerin derivative and its pharmacological use Kazuo Okano, Osamu Asano, Naoyuki Shimomura, Tetsuya Kawahara, Shinya Abe +11 more 1995-12-19
5468740 1,4-diazepine derivative and its pharmaceutical use Kazuo Okano, Shuhei Miyazawa, Richard Clark, Shinya Abe, Tetsuya Kawahara +14 more 1995-11-21
5438045 1,4-diazepine derivative and its pharmaceutical use Kazuo Okano, Shuhei Miyazawa, Richard Clark, Shinya Abe, Tetsuya Kawahara +14 more 1995-08-01
5409909 1,4-diazepine derivative and its pharmaceutical use Kazuo Okano, Shuhei Miyazawa, Richard Clark, Shinya Abe, Tetsuya Kawahara +14 more 1995-04-25
5382579 Triazolo-1,4-diazepine derivatives and their use in pharmaceuticals Kazuo Okano, Shuhei Miyazawa, Richard Clark, Shinya Abe, Tetsuya Kawahara +14 more 1995-01-17
5373000 7Beta-(thiadiazolyl)-2-iminoacetamido-3cephem compounds Takashi Kamiya, Shigeto Negi, Toshihiko Naito, Yuuki Komatu, Seiichiro Nomoto +2 more 1994-12-13
5304553 1,4-diazepine derivative and its pharmaceutical use Kazuo Okano, Shuhei Miyazawa, Richar S. J. Clark, Shinya Abe, Tetsuya Kawahara +14 more 1994-04-19
5298649 Naphthalene derivative Makoto Okita, Hiroshi Shirota, Masayuki Tanaka, Toshihiko Kaneko, Katsuya Tagami +13 more 1994-03-29
5273985 Glycerin derivative and its pharmacological use Kazuo Okano, Osamu Asano, Naoyuki Shimomura, Tetsuya Kawahara, Shinya Abe +11 more 1993-12-28
5221671 Triazolo-1,4-diazepine derivatives and their use in pharmaceuticals Kazuo Okano, Shuhei Miyazawa, Richard Clark, Shinya Abe, Tetsuya Kawahara +14 more 1993-06-22
5134111 Naphthalene derivative Makoto Okita, Hiroshi Shirota, Masayuki Tanaka, Toshihiko Kaneko, Katsuya Tagami +13 more 1992-07-28
5089491 3-propenylcephem derivative Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai +6 more 1992-02-18
5037827 Glycerin derivative and its pharmacological use Kazuo Okano, Osamu Asano, Naoyuki Shimomura, Tetsuya Kawahara, Shinya Abe +11 more 1991-08-06
5010188 Cephem derivatives Hiroshi Yamauchi, Isao Sugiyama, Isao Saito, Seiichiro Nomoto, Takashi Kamiya +1 more 1991-04-23
5008260 Cephem derivatives Hiroshi Yamauchi, Isao Sugiyama, Isao Saito, Seiichiro Nomoto, Takashi Kamiya +1 more 1991-04-16