Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12332595 | Image forming apparatus and image quality adjustment method capable of suppressing variation in image quality of output image immediately after start of image forming process | Yasuaki Sakamoto, Masaru Watanabe, Kenichi Hayashi, Hideyuki Ogasawara, Yukiko Yoshimura | 2025-06-17 |
| 12259672 | Toner concentration sensing apparatus capable of accurately sensing toner concentration of toner image, image forming apparatus, and toner concentration sensing method | Yasuaki Sakamoto, Masaru Watanabe, Kenichi Hayashi, Hideyuki Ogasawara, Yukiko Yoshimura | 2025-03-25 |
| 12222668 | Image forming apparatus capable of adjusting emission light amount of light-emitting portion, and light amount adjustment method | Yasuaki Sakamoto, Masaru Watanabe | 2025-02-11 |
| 12001159 | Adjustment method for image forming apparatus, and image forming apparatus | Masaru Watanabe, Kanako Kikuchi, Yasuaki Sakamoto, Yuki Nakaiwa, Keisuke Oba +2 more | 2024-06-04 |
| 11971676 | Image density measurement method and image forming apparatus | Masaru Watanabe, Yasuaki Sakamoto, Kenichi Hayashi, Hideyuki Ogasawara, Yukiko Yoshimura | 2024-04-30 |
| 11868060 | Image forming apparatus capable of detecting deviation between exposure device and photoconductor drum | Masaru Watanabe, Kanako Kikuchi, Yasuaki Sakamoto, Yuki Nakaiwa, Keisuke Oba +2 more | 2024-01-09 |
| 11815839 | Image forming apparatus capable of adjusting image forming condition accurately, and image forming condition adjustment method | Keisuke Oba, Masaru Watanabe, Yasuaki Sakamoto, Kanako Kikuchi, Yuki Nakaiwa +2 more | 2023-11-14 |
| 9499366 | Sheet feeding device, image forming apparatus, and method for controlling a sheet feeding device | — | 2016-11-22 |