Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4229448 | 5-Substituted picolinic acid derivatives and an anti-hypertensive composition containing the same | Yasuharu Sekizawa, Takashi Tsuruoka, Mitsugu Hachisu, Masaji Sezaki, Masashi Miyamoto +5 more | 1980-10-21 |
| 4198416 | 5-Alkoxy-picolinic esters and anti-hypertensive composition containing 5-alkoxy-picolinic esters | Takashi Tsuruoka, Uichi Shibata, Hiroyasu Asaoka, Mitsugu Hachisu, Osamu Itoh +3 more | 1980-04-15 |
| 4189489 | 5-Alkoxy-picolinic acid calcium salts and anti-hypertensive composition containing 5-alkoxy-picolinic acid calcium salts and anti-hypertensive composition thereof | Takashi Tsuruoka, Uichi Shibata, Hiroyasu Asaoka, Mitsugu Hachisu, Osamu Itoh +3 more | 1980-02-19 |