Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11726425 | Sheet conveying device and image forming apparatus | — | 2023-08-15 |
| 10324404 | Belt device including a coated driving rotator, transfer device, and image forming apparatus | Takuya Akiyama, Takeshi Sakashita | 2019-06-18 |
| 9971269 | Discharging method for latent image bearer and image forming apparatus | Ryouhei Ohi, Takafumi Miyazaki, Yasuhiro Fujiwara | 2018-05-15 |
| 9857734 | Image forming apparatus | Takeshi Sakashita, Kenji Nakamura, Masanari Fujita, Takahiro Seki, Naoki Takai +1 more | 2018-01-02 |
| 9304474 | Image forming apparatus | Takeshi Sakashita, Masanari Fujita, Naoki Takai, Daisuke Hasebe | 2016-04-05 |
| 9250577 | Transfer unit including a belt unit with a moving assembly, and image forming apparatus thereof | — | 2016-02-02 |
| 9223257 | Belt unit, transfer unit including the belt unit, and image forming apparatus including the transfer unit | — | 2015-12-29 |
| 9213270 | Image forming apparatus | Tetsushi Sakuma, Takeshi Sakashita, Masanari Fujita, Mitsutoshi Kichise, Masato Tsuji | 2015-12-15 |
| 9031450 | Toner collection unit and image forming apparatus incorporating same | Tetsushi Sakuma, Takeshi Sakashita, Kenji Nakamura, Masanari Fujita, Mitsutoshi Kichise | 2015-05-12 |
| 8983357 | Powder transport device and image forming apparatus incorporating same | Takeshi Sakashita, Masanari Fujita, Mitsutoshi Kichise, Tetsushi Sakuma, Masato Tsuji | 2015-03-17 |
| 8971752 | Belt device and image forming apparatus | Masanari Fujita, Takeshi Sakashita, Tetsushi Sakuma, Mitsutoshi Kichise | 2015-03-03 |
| 8265524 | Transfer device, image forming apparatus, and waste toner container | Kohji Hatayama, Tomofumi Inoue, Takeshi Sakashita, Mitsutoshi Kichise, Takeru Muramatsu | 2012-09-11 |
| 8135307 | Transfer belt device, method of assembling the same, and image forming apparatus | Tomofumi Inoue, Takeshi Sakashita, Mitsutoshi Kichise, Takeru Muramatsu | 2012-03-13 |
| 8112015 | Belt unit and image forming apparatus | Mitsutoshi Kichise, Tomofumi Inoue, Takeshi Sakashita, Takeru Muramatsu | 2012-02-07 |
| 8045887 | Image forming apparatus | Takeshi Sakashita, Tomofumi Inoue, Takeru Muramatsu, Kohji Hatayama | 2011-10-25 |
| 8005412 | Transfer device and image forming apparatus | Takeshi Sakashita, Takeru Muramatsu, Mitsutoshi Kichise, Takuya Etoh | 2011-08-23 |
| 7970297 | Powder container and image forming apparatus | Tomofumi Inoue, Kohji Hatayama, Takeshi Sakashita, Mitsutoshi Kichise, Takeru Muramatsu | 2011-06-28 |
| 7970336 | Powder housing unit and image forming apparatus with powder housing unit | Takeshi Sakashita, Tomofumi Inoue, Takeru Muramatsu, Kohji Hatayama, Mitsutoshi Kichise | 2011-06-28 |
| 7904010 | Belt unit, transfer belt unit, and image forming apparatus | Tomofumi Inoue, Kohji Hatayama, Mitsutoshi Kichise, Takeru Muramatsu | 2011-03-08 |
| 7869751 | Transfer device and image forming apparatus | Tomoya Adachi, Takeshi Yamashita, Takafumi Miyazaki | 2011-01-11 |
| 7869750 | Image forming apparatus with a phase of a first load torque substantially opposite to a phase of a second load torque | Toru Hanashima, Tomoyoshi Yamazaki, Masafumi Takahira, Tatsuo Fukushima, Kimihiro Tanaka | 2011-01-11 |
| 7778568 | Image forming apparatus having guide member for detachable unit | Takeshi Sakashita, Tomofumi Inoue, Takeru Muramatsu, Kohji Hatayama | 2010-08-17 |
| 7751762 | Transfer device and image forming apparatus including the same | Kohji Hatayama, Tomofumi Inoue, Takeshi Sakashita, Takeru Muramatsu | 2010-07-06 |
| 7616923 | Power guiding device and image forming apparatus having power guiding device | Kohji Hatayama, Tomofumi Inoue, Takeshi Sakashita, Takeru Muramatsu | 2009-11-10 |
| 7599633 | Image forming apparatus dust container including dust conveyance members | Tomofumi Inoue, Takafumi Miyazaki, Tomoya Adachi, Takeshi Sakashita, Takeru Muramatsu +1 more | 2009-10-06 |