Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4468681 | Electrostatic record image forming method | Shoji Wako | 1984-08-28 |
| 4442160 | Electrostatic recording medium having an electrically conductive layer containing pre-dispersed electrically conductive carbon black and polyurethane binder resin | Hirotaka Toba, Masanori Itoh, Keita Nakano, Shoji Wakoh, Toshihiko Toyoshima | 1984-04-10 |