Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868585 | Ink dot printer | Hisashi Nishikawa, Mitsuharu Endo, Yasunobu Terao | 1989-09-19 |
| 4864327 | Printer | — | 1989-09-05 |
| 4801952 | Improved ink dot printer electrode structure | Hisashi Nishikawa, Mitsuharu Endo | 1989-01-31 |