Tanikawa; Keizo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tanikawa; Keizo.The latest application filed is for "4-oxybenzopyran derivative".
- Tanikawa; Keizo - Funabashi JP
- Tanikawa; Keizo - Chiba-ken JP
- Tanikawa; Keizo - Tokyo JP
| Patent | Date |
|---|---|
| 4-oxybenzopyran derivative Grant 6,677,371 - Tanikawa , et al. January 13, 2 | 2004-01-13 |
| 4-oxybenzopyran derivative Grant 6,555,574 - Tanikawa , et al. April 29, 2 | 2003-04-29 |
| Pyrazolones derivatives Grant 5,968,967 - Tanikawa , et al. October 19, 1 | 1999-10-19 |
| Pyrazole derivatives Grant 5,846,991 - Tanikawa , et al. December 8, 1 | 1998-12-08 |
| Pyrazole derivatives Grant 5,840,909 - Tanikawa , et al. November 24, 1 | 1998-11-24 |
| Pyrazole derivatives Grant 5,817,828 - Tanikawa , et al. October 6, 1 | 1998-10-06 |
| Pyrazole derivatives Grant 5,721,264 - Tanikawa , et al. February 24, 1 | 1998-02-24 |
| 5-heteroarylamino-6-oxy-substituted 3(2H)-pyridazinones Grant 5,314,883 - Tanikawa , et al. May 24, 1 | 1994-05-24 |
| 3(2H)pyridazinone, process for its preparation and anti-allergic agent containing it Grant 5,098,900 - Mutsukado , et al. * March 24, 1 | 1992-03-24 |
| 3(2H)Pyridazinone, process for its preparation and anti-allergic agent containing it Grant 4,892,947 - Mutsukado , et al. January 9, 1 | 1990-01-09 |
| 3(2H)pyridazinone, and anti-allergic agent containing it Grant 4,783,462 - Mutsukado , et al. November 8, 1 | 1988-11-08 |
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