Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5761983 | Output shaft of booster | Hiroya Gotoh | 1998-06-09 |
| 4659246 | Structure for screwing object on sheet metal | — | 1987-04-21 |
| 4368552 | Method of making self tapping thread forming screw | — | 1983-01-18 |