Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853695 | Data input device having switch matrix scanning means | Hideo Ueno, Keiko Yamada | 1989-08-01 |
| 4841214 | Control device for a stepping motor | Michio Ueda | 1989-06-20 |
| 4804284 | Relocating control system for a printing apparatus | Hiroshi Hattori | 1989-02-14 |