Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880354 | Warming structure of gas turbine rotor | Mitsuo Teranishi, Haruo Urushidani, Shoji Ebine | 1989-11-14 |
| 4875170 | Method and apparatus for estimating life expectancy of mechanical structures | Shigeo Sakurai, Sadao Umezawa, Saburo Usami, Hiroshi Miyata, Kuniyoshi Tsubouchi +1 more | 1989-10-17 |