Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4189975 | Screwed connection having improved fatigue strength | Chikayuki Urashima, Hiroki Masumoto | 1980-02-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4189975 | Screwed connection having improved fatigue strength | Chikayuki Urashima, Hiroki Masumoto | 1980-02-26 |