TA

Tadashi Ashizawa

KC Kyowa Hakko Kogyo Co.: 30 patents #12 of 943Top 2%
YH Yakult Honsha: 2 patents #102 of 410Top 25%
PH Pharmadesign: 2 patents #6 of 23Top 30%
SP Shizuoka Prefecture: 2 patents #4 of 58Top 7%
EL Eli Lilly: 1 patents #1,742 of 2,858Top 65%
📍 Numazu, JP: #41 of 856 inventorsTop 5%
Overall (All Time): #108,621 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
8796320 1,3,4-Oxadiazole-2-carboxamide compound Akira Asai, Kenji Matsuno, Naohisa Ogo, Osamu Takahashi, Yoshiaki Masuda +3 more 2014-08-05
8466290 STAT3 inhibitor containing quinolinecarboxamide derivative as active ingredient Akira Asai, Kenji Matsuno, Naohisa Ogo, Takane Yokotagawa, Osamu Takahashi +2 more 2013-06-18
6492392 2-piperidone compounds Yutaka Kanda, Rieko Tanaka, Mitsunobu Hara, Jun Eishima, Shiro Akinaga 2002-12-10
6080771 DC107 derivatives Yutaka Kanda, Hitoshi Arai, Hiroyuki Yamaguchi, Shun-ichi Ikeda, Chikara Murakata +1 more 2000-06-27
5981558 DC107 derivatives Hitoshi Arai, Yutaka Kanda, Hiroyuki Yamaguchi, Chikara Murakata, Shun-ichi Ikeda +1 more 1999-11-09
5972997 UCT1072 compounds Tamio Mizukami, Akira Asai, Katsuhiko Ando, Shingo Kakita, Akira Mihara +2 more 1999-10-26
5952355 Propenone derivatives Shun-ichi Ikeda, Uichiro Kimura, Katsushige Gomi, Hiromitsu Saito, Masaji Kasai +5 more 1999-09-14
5733924 DC 107 derivatives and treatment methods Yutaka Kanda, Yutaka Saitoh, Hiromitsu Saito, Kazuyo Sugiyama, Katsushige Gomi +3 more 1998-03-31
5717110 UCH15 compounds Tamio Mizukami, Akira Asai, Yoshinori Yamashita, Hirofumi Nakano, Shingo Kakita +3 more 1998-02-10
5656736 Compound UCH9 Hirofumi Nakano, Harumi Ogawa, Yoshinori Yamashita, Ritsuko Katahira, Shigeru Chiba +1 more 1997-08-12
5334611 6-ethyl mitomycin derivatives Hitoshi Arai, Yutaka Kanda, Motomichi Kono, Masaji Kasai, Katsushige Gomi 1994-08-02
5256685 Mitomycin derivatives Hitoshi Arai, Yutaka Kanda, Motomichi Kono, Masaji Kasai, Katsushige Gomi 1993-10-26
5220026 Pyrazoloacridone derivatives Yukiteru Mimura, Yasushi Shida, Masaji Kasai, Katsushige Gomi 1993-06-15
5218126 Halogen substituted mitomycin derivatives Hitoshi Arai, Masaji Kasai, Katsushige Gomi 1993-06-08
5138059 DC-89 compounds and process for their preparation Keiichi Takahashi, Michio Ichimura, Shigeo Katsumata, Tatsuhiro Ogawa, Makoto Morimoto +5 more 1992-08-11
5071984 DC-52 derivatives Hiromitsu Saito, Akira Sato, Masaji Kasai, Makoto Morimoto 1991-12-10
5068349 Mitomycin derivatives Yutaka Kanda, Masaji Kasai, Hitoshi Arai, Makoto Morimoto 1991-11-26
4992551 DC-52 derivatives Hiromitsu Saito, Akira Sato, Masaji Kasai, Makoto Morimoto 1991-02-12
4946957 Anti-tumor DC-52 derivatives Hiromitsu Saito, Yoichi Uosaki, Akira Sato, Tadashi Hirata, Makoto Morimoto 1990-08-07
4880825 Mitomycin derivatives Masaji Kasai, Yutaka Kanda, Motomichi Kono, Yutaka Saito, Makoto Morimoto 1989-11-14
4879386 Anti-tumor DC-52 compounds Hiromitsu Saito, Yoichi Uosaki, Akira Sato, Tadashi Hirata, Makoto Morimoto 1989-11-07
4863935 Mitomycin compounds having useful anti-tumor activity Yasushi Shida, Tokuyuki Kuroda, Ikuo Matsukuma, Makoto Morimoto 1989-09-05
4853385 7-N,8-N-Ethylenemitomycin 8-imines Yutaka Saito, Masaji Kasai, Kunikatsu Shirahata, Motomichi Kono, Makoto Morimoto 1989-08-01
4847387 Antibiotic compounds DC-92B and DC-92D Hirofumi Nakano, Isami Takahashi, Fusao Tomita, Kozo Asano, Toru Yasuzawa +1 more 1989-07-11
4822882 DC-52 derivatives and their antitumor use Hiromitsu Saito, Yoichi Uosaki, Akira Sato, Tadashi Hirata, Makoto Morimoto 1989-04-18