Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12216427 | Image forming apparatus having a pair of chains wound around a fixing roller and a transfer roller | Chihiro Iijima, Naohito Otsuki, Hiroyuki Suzuki, Takehiko Koizumi | 2025-02-04 |
| 12174574 | Detection device and image forming apparatus | Hiroyuki Suzuki, Naohito Otsuki, Takehiko Koizumi | 2024-12-24 |
| 11964469 | Image forming apparatus | Naohito Otsuki, Hiroyuki Suzuki, Takehiko Koizumi | 2024-04-23 |
| 11782372 | Detection device, image forming apparatus, and non-transitory computer readable medium | Hiroyuki Suzuki, Naohito Otsuki, Takehiko Koizumi | 2023-10-10 |
| 11762320 | Image forming apparatus | Hiroyuki Suzuki, Naohito Otsuki, Takehiko Koizumi | 2023-09-19 |
| 11724524 | Detection device, image forming apparatus, and non-transitory computer readable medium | Hiroyuki Suzuki, Naohito Otsuki, Takehiko Koizumi | 2023-08-15 |
| 9938101 | Sheet transport device and image forming apparatus | Kiyoshi Watanabe, Junji Hagihara, Toshitaka Tanaka, Tatsuya Yamashita | 2018-04-10 |
| 9760050 | Sheet conveying device and image forming apparatus | Toshitaka Tanaka, Kiyoshi Watanabe, Junji Hagihara, Tatsuya Yamashita | 2017-09-12 |
| 9751708 | Sheet transport device and image forming apparatus | Junji Hagihara, Kiyoshi Watanabe, Toshitaka Tanaka, Tatsuya Yamashita | 2017-09-05 |
| 9555992 | Sheet transport device and image forming apparatus | Tatsuya Yamashita, Kiyoshi Watanabe, Toshitaka Tanaka, Junji Hagihara | 2017-01-31 |