Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655420 | Magnetic tightening tool for preventing overtightening and undertightening | Tetsuya Kojima, Hiroshi Ogawa, Koichiro Shoda | 1997-08-12 |
| 5634627 | Controller | Kunihiko Daido, Kazuhiro Yoshikawa | 1997-06-03 |