Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877795 | 4H-quinolizin-4-one compounds useful for the treatment of allergic bronchial asthma, allergic rhinitis atropic dermatitis and the like | Yoshikazu Kurashina, Den-ichi Momose | 1989-10-31 |
| 4875170 | Method and apparatus for estimating life expectancy of mechanical structures | Shigeo Sakurai, Sadao Umezawa, Saburo Usami, Hajime Toriya, Kuniyoshi Tsubouchi +1 more | 1989-10-17 |