Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4554662 | Input signal testing device for electronic copier | Takanobu Suzuki, Izumi Takahashi, Terumasa Sugiyama | 1985-11-19 |
| 4499580 | Output check apparatus for electrophotographic copier | Izumi Takahashi, Terumasa Sugiyama, Takanobu Suzuki | 1985-02-12 |