Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12353152 | Sheet characteristic detection device, image forming system including the same, and image forming apparatus | Hiroyuki Yoshikawa, Hitoshi Asano, Yumiko Izumiya, Yasuo KOYANAGI | 2025-07-08 |
| 12210306 | Image forming system, resistance detection device, resistance detection method, and program | Yuhei Tatsumoto, Makoto Shimazoe, Yuta Tachibana, Kouei Cho | 2025-01-28 |
| 11866292 | Image forming apparatus | Atsushi Takahashi, Hitoshi Asano, Yumiko Izumiya, Hirotada Seki | 2024-01-09 |
| 11740580 | Image forming system and method for detecting glossiness | Hitoshi Asano, Yumiko Izumiya, Hirotada Seki, Kazutoshi Yoshimura, Yasuo KOYANAGI | 2023-08-29 |
| 11533408 | Sheet conveyance device and image forming apparatus | Hirotada Seki, Hitoshi Asano, Yumiko Izumiya, Kazutoshi Yoshimura, Yasuo KOYANAGI | 2022-12-20 |
| 11507007 | Glossiness inspection device, glossiness inspection method, and image forming apparatus | Atsushi Takahashi, Hitoshi Asano, Yumiko Izumiya, Hirotada Seki | 2022-11-22 |
| 11286125 | Measuring device, image forming apparatus, and measuring method | Yumiko Izumiya, Satoshi Ogata, Kazutoshi Yoshimura, Hitoshi Asano, Hirotada Seki | 2022-03-29 |
| 11221578 | Image forming apparatus that detects deterioration of a spring used to bias a sheet locking member | Taku Kimura, Masahiro Kamiya, Junichi Masuda, Masahiro Nonoyama, Kouei Cho | 2022-01-11 |
| 10642208 | Image forming apparatus with abnormality diagnosis, image forming system with abnormality diagnosis, and control program of image forming apparatus with abnormality diagnosis | Hiroshi Eguchi, Natsuyo IDA, Junichi Masuda, Masahiro Nonoyama | 2020-05-05 |
| 10133218 | Phase control device, image forming apparatus, and recording medium | Junichi Masuda, Mikiyuki Aoki, Toru Kasamatsu, Masahiro Nonoyama | 2018-11-20 |
| 9503003 | Image forming apparatus | Takahiro Tsujimoto, Hideki Nakamura, Takeshi Ishida, Naoto Sugaya | 2016-11-22 |
| 9268250 | Image forming apparatus that matches laser light emission time to pulse width of image pulse signal | Tatsuya Eguchi, Yohei Yamada | 2016-02-23 |
| 9207561 | Image forming apparatus for controlling misalignment in image forming position between colors | Yohei Yamada, Tatsuya Eguchi | 2015-12-08 |
| 5751101 | Cathode ray tube having a contact spring fixed to an end of the shield cup with a micro vickers hardness of 250-400 | Hiroshi Takanobu | 1998-05-12 |