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Patent applications and USPTO patent grants for Ohtsuka; Tatsuo.The latest application filed is for "polycyclic compounds exhibiting anti-tumor activities".
Patent | Date |
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Polycyclic compounds exhibiting anti-tumor activities Grant 6,946,472 - Kawasaki , et al. September 20, 2 | 2005-09-20 |
Polycyclic compounds Grant 6,680,326 - Aoyama , et al. January 20, 2 | 2004-01-20 |
Polycyclic compounds exhibiting anti-tumor activities App 20030229098 - Kawasaki, Kenichi ;   et al. | 2003-12-11 |
Polycyclic compounds App 20030073691 - Aoyama, Tsunehisa ;   et al. | 2003-04-17 |
Bicyclic compounds Grant 6,376,491 - Aoki , et al. April 23, 2 | 2002-04-23 |
Pyrido(3,2,1-IJ)-1,3,4-benzoxadiazine derivatives Grant 4,864,023 - Yokose , et al. September 5, 1 | 1989-09-05 |
Pyrido(3,2,1-IJ)-1,3,4 benzoxadiazine derivatives Grant 4,801,584 - Yokose , et al. January 31, 1 | 1989-01-31 |
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