Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875720 | Fluid coupling | Takeya Sasa, Reichi Makishima | 1989-10-24 |
| 4825304 | Recording disc with sync information disposed in radial alignment | — | 1989-04-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875720 | Fluid coupling | Takeya Sasa, Reichi Makishima | 1989-10-24 |
| 4825304 | Recording disc with sync information disposed in radial alignment | — | 1989-04-25 |