Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12333359 | Information processing apparatus with automatic detection and interruption of defective image forming operations | Isami Itoh, Sumito Tanaka, Sho Ikemoto | 2025-06-17 |
| 11972314 | Information processing apparatus with automatic detection and interruption of defective image forming operations | Isami Itoh, Sumito Tanaka, Sho Ikemoto | 2024-04-30 |
| 11841660 | Image forming apparatus | Sumito Tanaka, Sho Ikemoto, Yuko Kiyota, Hiroyuki Eda, Hiromi Shimura +5 more | 2023-12-12 |
| 11727235 | Information processing apparatus with automatic detection and interruption of defective image forming operations | Isami Itoh, Sumito Tanaka, Sho Ikemoto | 2023-08-15 |
| 11567440 | Image forming apparatus | Sumito Tanaka, Sho Ikemoto, Yuko Kiyota, Hiroyuki Eda, Hiromi Shimura +5 more | 2023-01-31 |
| 10990051 | Image forming apparatus outputting plural test toner images for use in adjusting transfer voltage | Haruhiko Omata | 2021-04-27 |
| 10585376 | Image forming apparatus using test chart for adjusting transfer voltage | Haruhiko Omata | 2020-03-10 |
| 10073385 | Image forming apparatus having deviation suppression mechanism for intermediate transfer belt | — | 2018-09-11 |
| 9927741 | Image forming apparatus | Akihiro Noguchi, Haruhiko Omata, Yasuki Kamimori | 2018-03-27 |
| 9766574 | Image forming apparatus | Haruhiko Omata | 2017-09-19 |
| 9760041 | Image forming apparatus | Haruhiko Omata, Akihiro Noguchi, Yasuki Kamimori | 2017-09-12 |
| 9696666 | Transfer apparatus having pressing member for transfer belt | — | 2017-07-04 |
| 9417563 | Image forming apparatus | Haruhiko Omata | 2016-08-16 |
| 9389544 | Image forming apparatus | Haruhiko Omata | 2016-07-12 |
| 8909082 | Image forming apparatus | — | 2014-12-09 |
| 8463149 | Image forming apparatus | — | 2013-06-11 |
| 8218990 | Image formation system, image formation method, and image quality improvement method twice heating and pressing a toner image on a recording material | Yuichiro Toyohara, Takeshi Menjo, Jiro Ishiduka, Haruhiko Omata, Motohide Shiozawa | 2012-07-10 |
| 8165484 | Image forming apparatus with control of transfer voltage | — | 2012-04-24 |
| 8019264 | Image-forming apparatus having flexible sheet guide | — | 2011-09-13 |
| 7890034 | Image forming apparatus | Masanori Shida | 2011-02-15 |
| 7826772 | Image forming apparatus using color toner and transparent toner | Fumitake Hirobe, Yuichiro Toyohara, Akihiro Noguchi | 2010-11-02 |
| 7769328 | Image forming apparatus including one or more transfer members for transferring color toner and transparent toner images | Masanori Shida | 2010-08-03 |
| 7596345 | Image forming apparatus with a developer comprising at least a toner and a first external additive | Fumitake Hirobe, Yuichiro Toyohara, Akihiro Noguchi | 2009-09-29 |