Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681884 | Power steering system | Noboru Shimizu, Tsunefumi Arita, Naoto Shima | 2004-01-27 |
| 6675928 | Power steering | Naoto Shima, Fumihide Kozuma, Norimasa Amano, Noboru Shimizu | 2004-01-13 |