Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882684 | Engaging device of a keyboard for a data processing unit | Toyonori Sasaki | 1989-11-21 |
| 4867582 | Printing apparatus | — | 1989-09-19 |
MI
Michifumi Ishigami
Overall (1989): #19,950 of 140,708Top 15%
2
Patents 1989