Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11982958 | Image forming apparatus and image forming method | Tatsuya Koyama | 2024-05-14 |
| 11662676 | Image forming apparatus and control method | Soun Kanada, Yuki Fukusada, Tatsuya Koyama | 2023-05-30 |
| 10684579 | Image forming apparatus and sheet feeding method | Tatsuya Koyama | 2020-06-16 |
| 10001733 | Fixing device provided with belt guide, and method of manufacturing the same | Mingguang Zhang, Takuji Matsuno, Kei Ishida | 2018-06-19 |