Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337469 | Ink liquid supply system for ink jet system printer | Yuji Sumitomo | 1982-06-29 |
| 4318597 | Optical print head for optical printing devices | Shintaro Kotani, Ichimatsu Abiko, Yasushi Hoshino, Yukio Tokunaga, Kazuyoshi Tateishi | 1982-03-09 |