Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883379 | Correction sheet and correction method | Tsuguhiro Fukuda, Hiroshi Sato | 1989-11-28 |
| 4855758 | Thermal transfer recording apparatus with electroconductive ink | Nobuyuki Kuwabara, Kou Hasegawa, Hideo Sugimura, Haruhiko Moriguchi | 1989-08-08 |
| 4847110 | Transfer recording medium and process for production thereof | Toshiharu Inui, Noriyoshi Ishikawa, Masashi Miyagawa | 1989-07-11 |