Issued Patents All Time
Showing 26–29 of 29 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 |
| 4265989 | Photosensitive member for electrophotography | Kazuyoshi Tateishi, Yasushi Hoshino | 1981-05-05 |
| 4255043 | Electrostatic recording method and apparatus by doubly controlling ion flow | Yasushi Hoshino, Tooru Toida, Yukio Tokunaga, Kazuyoshi Tateishi | 1981-03-10 |