Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875170 | Method and apparatus for estimating life expectancy of mechanical structures | Shigeo Sakurai, Sadao Umezawa, Saburo Usami, Hiroshi Miyata, Hajime Toriya +1 more | 1989-10-17 |
| 4822250 | Apparatus for transferring small amount of fluid | Shohei Yoshida, Kiyoshi Namura, Tsutomu Okusawa, Akira Arai | 1989-04-18 |
| 4808084 | Apparatus for transferring small amount of fluid | Shohei Yoshida, Kiyoshi Namura, Akira Arai | 1989-02-28 |