Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4256492 | Marker ink for writing board | Kenji Matsumoto, Yoshikatsu Ito | 1981-03-17 |
| 4244465 | Electrostatic holding and conveying apparatus | Hideo Yamada | 1981-01-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4256492 | Marker ink for writing board | Kenji Matsumoto, Yoshikatsu Ito | 1981-03-17 |
| 4244465 | Electrostatic holding and conveying apparatus | Hideo Yamada | 1981-01-13 |