Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835552 | Recording head | Hiroo Soga, Hiroshi Saito, Koichi Saito, Kiyoshi Horie | 1989-05-30 |
| 4799068 | Thermal electrostatic ink-jet recording method and an ink therefor | Koichi Saito, Yoshihiko Fujimura, Nanao Inoue | 1989-01-17 |