Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12271137 | Image forming apparatus | Shin Iwasaki, Koji Yumoto | 2025-04-08 |
| 11977341 | Image forming apparatus | Koji Yumoto, Shin Iwasaki | 2024-05-07 |
| 11934121 | Image forming apparatus that performs shading correction to maintain print position accuracy | Koji Yumoto, Takashi Yokoya, Toshifumi Oikawa, Yutaka Ando, Akinobu Nishikata +1 more | 2024-03-19 |
| 11841660 | Image forming apparatus | Sumito Tanaka, Sho Ikemoto, Tatsuomi Murayama, Yuko Kiyota, Hiroyuki Eda +5 more | 2023-12-12 |
| 11796949 | Image forming apparatus | Shin Iwasaki, Koji Yumoto | 2023-10-24 |
| 11704517 | Image forming apparatus | Koji Yumoto, Shin Iwasaki | 2023-07-18 |
| 11567440 | Image forming apparatus | Sumito Tanaka, Sho Ikemoto, Tatsuomi Murayama, Yuko Kiyota, Hiroyuki Eda +5 more | 2023-01-31 |
| 11470213 | Image forming apparatus | Takashi Yokoya, Toshifumi Oikawa, Yutaka Ando, Akinobu Nishikata, Koji Yumoto +1 more | 2022-10-11 |
| 11448992 | Image forming apparatus, image forming system and method of controlling image forming system | Yuichiro Oda, Koji Yumoto, Yuko Kiyota | 2022-09-20 |
| 11435685 | Image forming apparatus | Akinobu Nishikata, Takashi Yokoya, Toshifumi Oikawa, Yutaka Ando, Koji Yumoto +1 more | 2022-09-06 |
| 11305955 | Image forming apparatus | Takashi Yokoya, Koji Yumoto, Akihiro Kawakita, Yutaka Ando | 2022-04-19 |
| 11186104 | Image forming system | Koji Yumoto, Toshiyuki Miyake, Takashi Yokoya, Yutaka Ando, Akihiro Kawakita | 2021-11-30 |
| 11150586 | Image forming system | Toshiyuki Miyake, Takashi Yokoya, Yutaka Ando, Koji Yumoto, Akihiro Kawakita | 2021-10-19 |
| 11093807 | Image forming system | Toshiyuki Miyake, Yutaka Ando, Akihiro Arai, Yuichiro Oda | 2021-08-17 |
| 11036163 | Image forming apparatus that discharges developer | Toshiyuki Miyake, Yutaka Ando | 2021-06-15 |
| 11016429 | Image forming device that selects feeding mode according to type of insertion sheet | Yutaka Ando, Toshiyuki Miyake, Akihiro Arai, Yuichiro Oda | 2021-05-25 |
| 10947076 | Image forming apparatus to which post-processing apparatus can be connected, image forming system, control method therefor, and storage medium storing control program therefor | Yutaka Ando, Toshiyuki Miyake | 2021-03-16 |
| 10924619 | Image forming system | Yutaka Ando, Toshiyuki Miyake, Takashi Yokoya, Koji Yumoto, Akihiro Kawakita | 2021-02-16 |
| 10838343 | Image forming apparatus | Koji Yumoto, Satoru Yamamoto, Toshiyuki Miyake, Katsuya Nakama, Akihiro Kawakita +3 more | 2020-11-17 |
| 10691055 | Image forming apparatus | Akihiro Arai, Yutaka Ando, Toshiyuki Miyake, Yuichiro Oda | 2020-06-23 |
| 10571849 | Image forming apparatus for suppressing discharged paper adhesion | Satoru Yamamoto, Toshiyuki Miyake, Katsuya Nakama, Koji Yumoto, Akihiro Kawakita | 2020-02-25 |
| 10281852 | Image forming apparatus that controls an execution frequency of a rubbing treatment of a fixing device | Takashi Yokoya, Satoru Yamamoto, Toshiyuki Miyake, Katsuya Nakama, Koji Yumoto +1 more | 2019-05-07 |
| 10114327 | Image forming apparatus | Toshiyuki Miyake, Satoru Yamamoto, Katsuya Nakama, Koji Yumoto, Akihiro Kawakita | 2018-10-30 |
| 10114328 | Sheet feeding device and image forming apparatus | Toshiyuki Miyake, Satoru Yamamoto, Takashi Yokoya, Katsuya Nakama, Koji Yumoto +1 more | 2018-10-30 |
| 10088782 | Image forming apparatus and system controlling rubbing treatment of fixing device | Takashi Yokoya, Satoru Yamamoto, Toshiyuki Miyake, Katsuya Nakama, Koji Yumoto +1 more | 2018-10-02 |