Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304906 | Collision detecting method using an observer | Soichi Arita, Tetsuaki Kato | 1994-04-19 |
| 5275879 | Magnetic recording medium containing carbon black having specific properties | Yutaka Sano, Shingo Hashimoto | 1994-01-04 |