Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306554 | Image forming apparatus including exposure head provided with plurality of light emitting chips | — | 2025-05-20 |
| 12222660 | Light emitting device and image forming apparatus including light emitting device | Takahisa Ono, Hayato Koyama, Hidefumi Yoshida | 2025-02-11 |
| 12158709 | Image forming apparatus including exposure head provided with plurality of light emitting chips | — | 2024-12-03 |
| 12140880 | Image-forming apparatus, correction chart, and method | — | 2024-11-12 |
| 12078939 | Image forming apparatus | — | 2024-09-03 |
| 11977342 | Image forming apparatus including exposure head provided with plurality of light emitting chips | — | 2024-05-07 |
| 11635703 | Light emitting device and image forming apparatus including light emitting device | Takahisa Ono, Hayato Koyama, Hidefumi Yoshida | 2023-04-25 |
| 11079699 | Exposure head and image forming apparatus | — | 2021-08-03 |
| 11016407 | Image forming apparatus | — | 2021-05-25 |
| 10852657 | Image forming apparatus | — | 2020-12-01 |
| 10409191 | Image forming apparatus | Izuru Horiuchi | 2019-09-10 |
| 10397437 | Image forming apparatus | — | 2019-08-27 |
| 10317813 | Image forming apparatus | — | 2019-06-11 |
| 10078012 | Measurement apparatus with adjustment for spectral shift | — | 2018-09-18 |
| 10033900 | Correction method for image forming apparatus | — | 2018-07-24 |
| 9930214 | Correction method for image forming apparatus | Izuru Horiuchi, Ryuichi Araki | 2018-03-27 |
| 9924070 | Correction method for image forming apparatus | — | 2018-03-20 |
| 9904206 | Image forming apparatus | Izuru Horiuchi | 2018-02-27 |
| 9860422 | Correction method for image forming apparatus | Izuru Horiuchi, Ryuichi Araki | 2018-01-02 |
| 9835971 | Image forming apparatus to emit a plurality of light beams for an exposure of a photosensitive member | Hiroshi Nakahata | 2017-12-05 |
| 9720346 | Image forming apparatus capable of correcting relative position between laser beams | Shunsaku Kondo | 2017-08-01 |
| 9715189 | Image forming apparatus | Izuru Horiuchi | 2017-07-25 |
| 9558430 | Image forming apparatus using filters to correct potential distribution on photoreceptor due to spot shape of emitted light | — | 2017-01-31 |
| 9261809 | Image forming apparatus | — | 2016-02-16 |
| 9134670 | Image forming apparatus that detects phase of photosensitive drum | — | 2015-09-15 |