Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12346060 | Developing device, process cartridge, and image forming apparatus | Hiroshi Hosokawa, Kazuki Matsumoto, Hiroyuki Sugiyama | 2025-07-01 |
| 12130583 | Image forming apparatus and method for switching a continuous print mode to an intermittent print mode | Hiroyuki Sugiyama, Takuya Seshita | 2024-10-29 |
| 11397398 | Authenticity determination system, image forming apparatus, and printing method | Masaki Yoshino | 2022-07-26 |