Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D329244 | Yoke for universal joint | Shigeru Saito, Tomoyuki Maruyama | 1992-09-08 |
| 5060883 | Seat belt retractor | Masakiyo Ohya | 1991-10-29 |
| 4702722 | Universal joint yoke | Shigeru Saitoh, Tomoyuki Maruyama | 1987-10-27 |