Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870428 | Driving method for thermal head and thermal printer utilizing the same | Ko Hasegawa, Yuichi Watanabe, Haruhiko Moriguchi | 1989-09-26 |
| 4855758 | Thermal transfer recording apparatus with electroconductive ink | Kou Hasegawa, Hideo Sugimura, Kazuhiro Nakajima, Haruhiko Moriguchi | 1989-08-08 |