Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11709442 | Consumable supply method, consumable container, image forming apparatus, and refill consumable container | Toshio Koike, Daisuke Takahashi, Akio Kosuge, Daisuke Ito, Atsushi Nagata +1 more | 2023-07-25 |
| 11226571 | Image forming apparatus that controls a charging bias based on an estimated surface potential | Akio Kosuge, Yuji Suzuki, Daisuke Takahashi, Daisuke Ito | 2022-01-18 |
| 10948864 | Image density correction for an image forming apparatus | — | 2021-03-16 |
| 10620578 | Image forming apparatus for correcting density unevenness | Kohhei Sakurada, Katsuya Akiba, Yasuhito Shinchi, Tetsuya Muto, Hiroki Yamamura | 2020-04-14 |
| 9565319 | Image forming apparatus having an optical sensor for converting a toner adhesion amount and image forming method | Tetsuya Muto, Akira Yoshida, Keita Gotoh, Yuuichiroh Uematsu | 2017-02-07 |
| 9535376 | Image forming apparatus that switches transfer bias based on detected environment condition | Keita Sone, Tomohide Takenaka, Tetsuya Muto, Akira Yoshida, Keita Gotoh +1 more | 2017-01-03 |
| 9436135 | Toner pattern density correction in an image forming apparatus | Keita Sone, Nobutaka Takeuchi, Tomohide Takenaka, Kohta Fujimori, Tetsuya Muto +4 more | 2016-09-06 |
| 9152896 | Image forming apparatus and image forming method | Satoshi Kaneko, Shuji Hirai, Shingo Suzuki, Tetsuya Muto, Keita Gotoh +2 more | 2015-10-06 |
| 9141059 | Image forming apparatus | Tetsuya Muto, Shuji Hirai, Shingo Suzuki, Satoshi Kaneko, Keita Gotoh +1 more | 2015-09-22 |
| 9128402 | Image forming apparatus capable of effectively preventing image density fluctuation | Yuuichiroh Uematsu, Shuji Hirai, Shingo Suzuki, Tetsuya Muto, Satoshi Kaneko +1 more | 2015-09-08 |
| 8983320 | Image forming apparatus | Shingo Suzuki, Satoshi Kaneko, Tetsuya Muto, Shuji Hirai, Keita Gotoh +1 more | 2015-03-17 |
| 8099005 | Image forming apparatus | — | 2012-01-17 |
| 8045871 | Image forming apparatus and image forming method on measured physical quantity | Susumu Monma, Shinya Kobayashi, Teruaki Mitsuya, Makoto Yagawara, Hideharu Miki +1 more | 2011-10-25 |
| 8019239 | Device and method for detecting life of organic photoreceptor and image forming apparatus | Masayoshi Nakayama, Tomohide Takenaka | 2011-09-13 |
| 7925174 | Image forming apparatus | Masayoshi Nakayama, Tomohide Takenaka, Takuma Higa | 2011-04-12 |
| 7917045 | Image forming apparatus and image forming method | Makoto Yagawara, Hideharu Miki, Souichi Nakazawa, Akira Asaoka, Akihiko Yamazaki +1 more | 2011-03-29 |
| 7792441 | Image formation apparatus | Takashi Suzuki, Tsutomu Nakagawa, Shigeru Tosa | 2010-09-07 |
| 7245841 | Electrophotographic apparatus | Junshin Sakamoto | 2007-07-17 |
| 6738586 | Print control method of electrophotograph and image formation apparatus with potential sensor using the method | Keisuke Kubota, Teruaki Mitsuya, Hiroyuki Mabuchi, Masayoshi Ishii | 2004-05-18 |
| 6684036 | Image forming apparatus | Keisuke Kubota, Teruaki Mitsuya, Hiroyuki Mabuchi, Masayoshi Ishii | 2004-01-27 |
| 6556229 | Electrophotographic apparatus having a fringe development preventing mechanism | Teruaki Mitsuya, Nobuyoshi Hoshi, Hisao Okada, Yoshihiko Sano, Shinya Kobayashi | 2003-04-29 |
| 6271874 | Electrophotographic printer having an image memory, a horizontal scanning fringe correction exposure determining section, a vertical scanning fringe correction exposure determining section, and a switch | Seiji Maruo, Hiroyuki Mabuchi, Teruaki Mitsuya, Shinya Kobayashi | 2001-08-07 |
| 6131000 | Electrophotographic printing apparatus using electric potential dividing development | Teruaki Mitsuya, Kenichi Ito, Nobuyoshi Hoshi, Ryuuichi Shimizu, Hisao Okada +3 more | 2000-10-10 |
| 6061534 | Two-color image forming apparatus that prevents fringe development | Hisao Okada, Teruaki Mitsuya | 2000-05-09 |