Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12085873 | Developing device and image forming apparatus capable of shortening time required to circulate developer in circulation path | Chihiro Hagiwara, Kiyoshi Sako, Keiji Sanekata, Masayuki Shimoda | 2024-09-10 |
| 11852993 | Toner container and image forming apparatus | Kiyoshi Sako, Keiji Sanekata, Chihiro Hagiwara, Masayuki Shimoda | 2023-12-26 |
| 11841637 | Developing device and image forming apparatus | Kiyoshi Sako, Chihiro Hagiwara, Keiji Sanekata, Masayuki Shimoda | 2023-12-12 |
| 11822281 | Sensor cleaning device and image forming apparatus | Keiji Sanekata, Chihiro Hagiwara, Kiyoshi Sako, Masayuki Shimoda | 2023-11-21 |