Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4780553 | Electrophotographic toner and compounds useful for the toner | Nobuo Suzuki, Genpei Sugiyama, Susumu Suzuka | 1988-10-25 |
| 4683188 | Electrophotographic toner containing metal complex charge control agent | Nobuo Suzuki, Genpei Sugiyama, Susumu Suzuka | 1987-07-28 |