Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819753 | Functional evaluation device capable of evaluating an artificial device by the use of acoustic emission | Yakichi Higo, Shigetomo Nunomura | 1989-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819753 | Functional evaluation device capable of evaluating an artificial device by the use of acoustic emission | Yakichi Higo, Shigetomo Nunomura | 1989-04-11 |