Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9977361 | Image forming apparatus and image forming system | Hideaki Kanaya, Taichi Urayama, Ryusuke Mase, Hiroki Ishii, Hiroyuki Sugiyama +1 more | 2018-05-22 |
| 9606469 | Image forming apparatus and charging bias adjusting method therefor | Hiroyuki Sugiyama, Shunichi Hashimoto, Naoyuki Ozaki, Mikio Ishibashi, Kayoko Tanaka +1 more | 2017-03-28 |