Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320408 | Method of forming electrostatic image | Masakazu Iwasa, Satoru Honjo | 1982-03-16 |
| 4304179 | Marking method and device | Naoki Sakai, Hiromi Yazawa, Akio Matsunami, Tsutomu Yamazaki | 1981-12-08 |