Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339607 | Image forming apparatus | Hiroshi Hagiwara, Yohei Suzuki, Seiji Hara, Yoshitaka Zaitsu, Masafumi Monde +1 more | 2025-06-24 |
| 12248259 | Image heating device and image forming apparatus | — | 2025-03-11 |
| 11994817 | Image forming apparatus | Hiroshi Hagiwara, Yohei Suzuki, Seiji Hara, Yoshitaka Zaitsu, Masafumi Monde +1 more | 2024-05-28 |
| 11422493 | Image heating device, image forming apparatus, and heater | Eiji Uekawa | 2022-08-23 |
| 11199797 | Image forming apparatus | Daisuke Usami, Tadashi Okanishi | 2021-12-14 |
| 11067766 | Image forming apparatus | Atsushi Iwasaki | 2021-07-20 |
| 11016425 | Image heating device and image forming apparatus | Hideaki Yonekubo | 2021-05-25 |
| 10684443 | Image forming apparatus | Atsushi Iwasaki | 2020-06-16 |
| 10635033 | Image heating apparatus | Atsushi Iwasaki | 2020-04-28 |
| 10162303 | Fixing apparatus | Hiroshi Kataoka, Eiji Uekawa, Keisuke Mochizuki, Takayuki Mizuta | 2018-12-25 |
| 9851669 | Fixing device | Jiro Moriya, Hideki Ohta, Takayuki Mizuta, Eiji Uekawa, Hiroshi Kataoka +1 more | 2017-12-26 |
| 9658580 | Image forming apparatus | Shuji Saito, Yoshisuke Kasuya | 2017-05-23 |
| 9501007 | Image forming apparatus | Eiji Uekawa, Hiroshi Kataoka, Keisuke Mochizuki | 2016-11-22 |
| 9477191 | Fixing device with back-up member and nip forming member including a projecting portion projecting toward the back-up member | Noriaki Sato, Yasutaka Yagi, Hiroshi Kataoka, Eiji Uekawa, Keisuke Mochizuki +1 more | 2016-10-25 |
| 9442443 | Roller having core with an elastic layer including tapered portion and fixing apparatus with such roller | Toshiaki Miyashiro, Eiji Uekawa | 2016-09-13 |
| 9280108 | Fixing device | Noriaki Sato, Yasutaka Yagi, Hiroshi Kataoka, Eiji Uekawa, Keisuke Mochizuki +1 more | 2016-03-08 |
| 8989639 | Image forming apparatus having toner density control | Yasunari Kobaru, Yasuo Yoda, Takahiro Uchiyama, Yoshiki Kudo, Takeshi Kawamura +2 more | 2015-03-24 |
| 8675032 | Image forming apparatus | Yoshiki Kudo, Hiroshi Mano, Toshikazu Tsuchiya, Yasuo Yoda, Atsushi Ogata +1 more | 2014-03-18 |