Issued Patents All Time
Showing 1–25 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12393141 | Fixing device and image forming apparatus | Kota Shiodera, Takayuki Andoh, Masahiro Samei, Hiroshi Yoshinaga | 2025-08-19 |
| 12197155 | Heating device, fixing device, and image forming apparatus with heat shield including first portion and second portion | Hiroshi Yoshinaga, Takayuki Andoh, Masahiro Samei, Kota Shiodera, Ryohhei Sugiyama | 2025-01-14 |
| 12197151 | Heating device, fixing device, and image forming apparatus | Masahiro Samei, Takayuki Andoh, Kota Shiodera, Hiroshi Yoshinaga | 2025-01-14 |
| 12135517 | Heating device, nip forming device, and image forming apparatus | Masahiro Samei, Takayuki Andoh, Kota Shiodera, Hiroshi Yoshinaga | 2024-11-05 |
| 12124197 | Heating device, fixing device, and image forming apparatus including lubricant and reflector | Hiroshi Yoshinaga, Takayuki Andoh, Masahiro Samei, Kota Shiodera | 2024-10-22 |
| 12117768 | Image forming apparatus including a filter for collect foreign substances in air sucked into at least one intake | Takayuki Andoh, Masahiro Samei, Kota Shiodera, Hiroshi Yoshinaga, Tomoyuki Nishikawa | 2024-10-15 |
| 12072651 | Heating device, fixing device, and image forming apparatus | Kota Shiodera, Takayuki Andoh, Masahiro Samei, Hiroshi Yoshinaga | 2024-08-27 |
| 11959039 | Heating device configured to limit a temperature rise of a lubricant, fixing device, and image forming apparatus | Takayuki Andoh, Masahiro Samei, Kota Shiodera, Hiroshi Yoshinaga | 2024-04-16 |
| 11681250 | Nip former, fixing device, and image forming apparatus | Yoshiki Yamaguchi, Takashi Seto, Hiroshi Yoshinaga, Kentaro Yamashita, Daisuke Inoue | 2023-06-20 |
| 11635724 | Method for manufacturing removable information sheet | Kaori Hemmi, Akira Azami, Takahiro Suzuki | 2023-04-25 |
| 11618245 | Metallic paper, printed matter, and image forming method | — | 2023-04-04 |
| 11036168 | Image forming method for metallic sheets | Megumi Arai, Akira Azami, Toshiaki Motohashi | 2021-06-15 |
| 10877436 | Particle collecting device and image forming apparatus including same | Shoji Sasaki | 2020-12-29 |
| 10324388 | Toner, toner stored unit, image forming apparatus, and image forming method | Takashi Bisaiji, Maiko Koeda, Katsunori Kurose | 2019-06-18 |
| 10261432 | Ester wax, toner, developer, toner storing unit, and image forming apparatus | Hiroyuki Shimada, Takeshi Shibuya | 2019-04-16 |
| 10162283 | Image forming apparatus | Hiroyuki Shimada, Takashi Fujita, Hiroshi Seo | 2018-12-25 |
| 9982213 | Drive device, image forming apparatus, and grease composition | Kumiko Seo, Masahiro Ishida, Naoki Matsuda, Teruyoshi Tanaka | 2018-05-29 |
| 9951862 | Drive device, image forming apparatus, and grease composition | Kumiko Seo, Masahiro Ishida, Naoki Matsuda, Teruyoshi Tanaka | 2018-04-24 |
| 9783755 | Drive device, image forming apparatus, and grease composition | Kumiko Seo, Masahiro Ishida, Naoki Matsuda, Teruyoshi Tanaka | 2017-10-10 |
| 9778605 | Heater lamp for fixation, fixing device, and image forming apparatus | Hideyuki Yasufuku, Hiroyuki Shimada, Kazumi Kuwata, Takeshi Shibuya | 2017-10-03 |
| 9146523 | Cleaner and image forming apparatus | Momoko Shionoiri | 2015-09-29 |
| 9110418 | Color image forming method and color image forming apparatus | Momoko Shionoiri, Masato Iio, Tsuyoshi Asami | 2015-08-18 |
| 9052649 | Apparatus for producing detachable information sheet and method of producing detachable information sheet | Masato Iio | 2015-06-09 |
| 8948677 | Protective agent block, method of manufacturing the same, process cartridge, and image forming apparatus | Momoko Shionoiri | 2015-02-03 |
| 8843049 | Electrophotographic image forming method | Momoko Shionoiri, Masato Iio, Tsuyoshi Asami | 2014-09-23 |