Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7272969 | Abrasion tester and test method | Kenichi Shinohara | 2007-09-25 |
| 5181433 | Gear | Kiyoshi Ueno | 1993-01-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7272969 | Abrasion tester and test method | Kenichi Shinohara | 2007-09-25 |
| 5181433 | Gear | Kiyoshi Ueno | 1993-01-26 |