Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875170 | Method and apparatus for estimating life expectancy of mechanical structures | Shigeo Sakurai, Saburo Usami, Hiroshi Miyata, Hajime Toriya, Kuniyoshi Tsubouchi +1 more | 1989-10-17 |