KG

Katsushige Gomi

KC Kyowa Hakko Kogyo Co.: 23 patents #26 of 943Top 3%
Overall (All Time): #176,054 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
5977165 Radicicol derivatives Tsutomu Agatsuma, Yutaka Saitoh, Yoshinori Yamashita, Tamio Mizukami, Shiro Akinaga +2 more 1999-11-02
5952355 Propenone derivatives Shun-ichi Ikeda, Uichiro Kimura, Tadashi Ashizawa, Hiromitsu Saito, Masaji Kasai +5 more 1999-09-14
5891902 Indole derivatives Daisuke Machii, Haruki Takai, Nobuo Kosaka, Hisakatsu Seo, Tomomi Sugiyama +5 more 1999-04-06
5733924 DC 107 derivatives and treatment methods Yutaka Kanda, Yutaka Saitoh, Hiromitsu Saito, Tadashi Ashizawa, Kazuyo Sugiyama +3 more 1998-03-31
5670492 DC-89 derivatives Nobuyoshi Amishiro, Satoru Nagamura, Hiromitsu Saito, Eiji Kobayashi, Akihiko Okamoto 1997-09-23
5641780 Pyrrolo-indole derivatives Nobuyoshi Amishiro, Satoru Nagamura, Hiromitsu Saito, Eiji Kobayashi, Akihiko Okamoto 1997-06-24
5539112 5-aminoflavone derivatives Tsutomu Akama, Shun-ichi Ikeda, Yasushi Shida, Masaji Kasai, Hiroyuki Ishida +3 more 1996-07-23
5523464 Benzenesulfonamide derivatives Iwao Kinoshita, Haruki Takai, Nobuo Kosaka, Katsura Sugawara, Akio Ishii +1 more 1996-06-04
5510501 Saintopin derivatives Hirofumi Nakano, Noboru Fujii, Yoshinori Yamashita, Yutaka Saitoh, Tsutomu Agatsuma +4 more 1996-04-23
5413997 Triphenylmethane derivatives Iwao Kinoshita, Daisuke Machii, Yasuo Onoda, Haruki Takai, Nobuo Kosaka +3 more 1995-05-09
5374634 Pyridine derivatives Iwao Kinoshita, Yasuo Onoda, Haruki Takai, Nobuo Kosaka, Akio Ishii +2 more 1994-12-20
5334611 6-ethyl mitomycin derivatives Hitoshi Arai, Yutaka Kanda, Motomichi Kono, Masaji Kasai, Tadashi Ashizawa 1994-08-02
5332740 DC-89 derivatives Hiromitsu Saito, Satoru Nagamura, Akira Asai, Eiji Kobayashi 1994-07-26
5258383 DC-89 derivatives Satoru Nagamura, Hiromitsu Saito, Eiji Kobayashi 1993-11-02
5256685 Mitomycin derivatives Hitoshi Arai, Yutaka Kanda, Motomichi Kono, Masaji Kasai, Tadashi Ashizawa 1993-10-26
5248692 DC-89 derivatives as anti-tumor agents Hiromitsu Saito, Akira Asai, Satoru Nagamura, Eiji Kobayashi 1993-09-28
5220026 Pyrazoloacridone derivatives Yukiteru Mimura, Yasushi Shida, Masaji Kasai, Tadashi Ashizawa 1993-06-15
5218126 Halogen substituted mitomycin derivatives Hitoshi Arai, Masaji Kasai, Tadashi Ashizawa 1993-06-08
5214065 DC-89 derivatives Hiromitsu Saito, Akira Asai, Satoru Nagamura, Eiji Kobayashi 1993-05-25
5189187 Diterpene compound and process for producing the same Hirofumi Nakano, Shozo Kawada, Yoichi Uosaki, Yutaka Saito, Toshiaki Iwazaki 1993-02-23
5180825 Mitomycin derivatives Hitoshi Arai, Motomichi Kono, Masaji Kasai 1993-01-19
5151352 Process for producing diterpene compounds Hirofumi Nakano, Shozo Kawada, Yoichi Uosaki, Yutaka Saito, Toshiaki Iwazaki 1992-09-29
5112867 Triphenylmethane derivatives Iwao Kinoshita, Daisuke Machii, Yasuo Onoda, Haruki Takai, Nobuo Kasaka +3 more 1992-05-12
5082857 Chemical compound Hirofumi Nakano, Mitsunobu Hara, Yohichi Uosaki, Isao Kawamoto, Keiiechi Takahashi 1992-01-21