Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12228865 | Image forming apparatus | Ryuji Tanaami, Keita Nakajima, Koji Miwa | 2025-02-18 |
| 12210316 | Image forming apparatus | — | 2025-01-28 |
| 11543759 | Image forming apparatus | Ryuji Tanaami, Keita Nakajima, Koji Miwa | 2023-01-03 |
| 11429063 | Image forming apparatus including an intake to introduce air from outside to inside the image forming apparatus when a process cartridge is mounted | — | 2022-08-30 |
| 11167943 | Sheet feeding apparatus and image forming apparatus | — | 2021-11-09 |
| 11162779 | Image forming apparatus | — | 2021-11-02 |
| 10901356 | Image-forming apparatus and recording material identification unit | — | 2021-01-26 |
| 10824088 | Image forming apparatus | Ryuji Tanaami, Keita Nakajima, Koji Miwa | 2020-11-03 |
| 10671020 | Image forming apparatus with block member in contact with image bearing member for blocking airflow | Mahito Yoshioka, Takashi Yano | 2020-06-02 |
| 10649381 | Image forming apparatus and fixing device that change opening widths of air blowing openings by moving shielding members with respect to a longitudinal direction of the fixing device | — | 2020-05-12 |
| 10394185 | Image forming apparatus | Hidehiro Ushiozu, Keita Nakajima, Koji Miwa | 2019-08-27 |
| 10274859 | Image forming apparatus | Ryuji Tanaami, Keita Nakajima, Koji Miwa | 2019-04-30 |
| 10185283 | Image forming apparatus | — | 2019-01-22 |
| 10146174 | Image forming apparatus | Hidehiro Ushiozu, Keita Nakajima, Koji Miwa | 2018-12-04 |
| 9869964 | Image forming apparatus | Hidehiro Ushiozu, Keita Nakajima, Koji Miwa | 2018-01-16 |
| 9846384 | Image forming apparatus | Ryuji Tanaami, Keita Nakajima, Koji Miwa | 2017-12-19 |
| 9720345 | Image forming apparatus | Ryuji Tanaami, Keita Nakajima, Koji Miwa | 2017-08-01 |
| 9546058 | Stacking device and image forming apparatus | Yuya Yanagi | 2017-01-17 |
| 9348301 | Image forming apparatus | Hidehiro Ushiozu, Keita Nakajima, Koji Miwa | 2016-05-24 |
| 8781357 | Image forming apparatus | Koji Miwa, Keita Nakajima | 2014-07-15 |
| 8768202 | Image forming apparatus | Ryuji Tanaami, Keita Nakajima, Koji Miwa | 2014-07-01 |
| 8755718 | Image forming apparatus | Hidehiro Ushiozu, Keita Nakajima, Koji Miwa | 2014-06-17 |
| 8117830 | Exhaust purification device for engine | Satoshi Hiranuma, Yoshinaka Takeda, Hiroaki Fujita, Shinichi Saito, Yasuko Suzuki +3 more | 2012-02-21 |
| 8018122 | Surface acoustic wave device, module device, oscillation circuit, and method for manufacturing surface acoustic wave device | Takuya Owaki, Yuzuru Yoshizawa | 2011-09-13 |
| 7843112 | Surface acoustic wave device, module device, oscillation circuit, and method for manufacturing surface acoustic wave device | Takuya Owaki, Yuzuru Yoshizawa | 2010-11-30 |