Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12360483 | Heater, fixing device, and image forming apparatus | Kazuhiko Kikuchi, Osamu Takagi | 2025-07-15 |
| 12306562 | Heating device and fixing device and image forming apparatus | Osamu Takagi, Kazuhiko Kikuchi | 2025-05-20 |
| 11880152 | Heater, fixing device, and image forming apparatus | Kazuhiko Kikuchi, Osamu Takagi | 2024-01-23 |
| 11726420 | Image forming apparatus, and adjustment method for distance between heating member and pressure element of fixing device | Kazuhiko Kikuchi, Osamu Takagi | 2023-08-15 |
| 11675294 | Heating device and image forming apparatus | Osamu Takagi, Kazuhiko Kikuchi | 2023-06-13 |
| 11573514 | Heater, fixing device, and image forming apparatus | Kazuhiko Kikuchi, Osamu Takagi | 2023-02-07 |
| 11334007 | Fixing device, image forming apparatus, and method for adjusting length of interposing and pressurizing region by fixing device | Kazuhiko Kikuchi, Osamu Takagi | 2022-05-17 |
| 11231668 | Heating device, image processing apparatus, and method for controlling heating device | Osamu Takagi, Ryota Saeki | 2022-01-25 |
| 11106167 | Heater, fixing device, and image forming apparatus | Kazuhiko Kikuchi, Osamu Takagi | 2021-08-31 |
| 11092914 | Fixing device, image forming apparatus, and method for adjusting length of interposing and pressurizing region by fixing device | Kazuhiko Kikuchi, Osamu Takagi | 2021-08-17 |
| 11061349 | Heating device, fixing device and image forming apparatus | Koji Imamiya | 2021-07-13 |
| 10962909 | Heating device, image processing apparatus, and method for controlling heating device | Osamu Takagi, Ryota Saeki | 2021-03-30 |
| 10775722 | Fixing device, image forming apparatus, and method for adjusting length of interposing and pressurizing region by fixing device | Kazuhiko Kikuchi, Osamu Takagi | 2020-09-15 |
| 10768559 | Heating device and image forming apparatus | Osamu Takagi, Kazuhiko Kikuchi | 2020-09-08 |
| 10732550 | Heating device, image processing apparatus, and method for controlling heating device | Osamu Takagi, Ryota Saeki | 2020-08-04 |
| 10663892 | Fixing device, image forming apparatus, and method for adjusting length of interposing and pressurizing region by fixing device | Kazuhiko Kikuchi, Osamu Takagi | 2020-05-26 |
| 10620572 | Fixing device and image forming apparatus | Osamu Takagi, Ryota Saeki | 2020-04-14 |
| 10345744 | Fixing device, image forming apparatus, and method for adjusting length of interposing and pressurizing region by fixing device | Kazuhiko Kikuchi, Osamu Takagi | 2019-07-09 |
| 9989896 | Fixing device, image forming apparatus, and method for adjusting length of interposing and pressurizing region by fixing device | Kazuhiko Kikuchi, Osamu Takagi | 2018-06-05 |
| 9832328 | Character recognition apparatus and character recognition method | Naomi Nakane, Setsuo Takada, Noboru Furuyama, Yoshiaki Okano, Masaya Tanaka +3 more | 2017-11-28 |
| 9442435 | Fixing device, image forming apparatus and fixing method | — | 2016-09-13 |