Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12216421 | Image forming apparatus | Taizou Oonishi, Yu Harashima, Masashi Saito, Tsutomu SAKAMAKI | 2025-02-04 |
| 10545441 | Fixing apparatus which moves a roller to change a peak surface pressure at a nip portion, image forming apparatus, and method of designing fixing apparatus | Toshihiro WAZUMI | 2020-01-28 |
| 9367014 | Image forming apparatus, image forming system and image forming method | Miho Yamano, Hiroshi Matsumoto, Taizou Oonishi, Atsushi Nakamura, Makoto Fujii | 2016-06-14 |
| 9274475 | Image forming apparatus, image forming system, and image forming method | Hiroshi Matsumoto, Taizou Oonishi, Makoto Fujii, Miho Yamano, Atsushi Nakamura | 2016-03-01 |
| 9223260 | Image forming apparatus and fixing device | Miho Yamano, Makoto Fujii, Hiroshi Matsumoto, Taizou Oonishi, Atsushi Nakamura | 2015-12-29 |
| 9116474 | Image forming apparatus and translation control method | Hiroshi Matsumoto, Makoto Fujii, Miho Yamano, Taizou Oonishi | 2015-08-25 |
| 9037027 | Image forming apparatus and method of forming an image | Taizou Oonishi, Makoto Fujii, Miho Yamano, Hiroshi Matsumoto | 2015-05-19 |
| 8265538 | Fixing device and image formation apparatus | Norikazu Okabe, Hideaki Hayashi, Taizou Oonishi, Naoki Yamamoto | 2012-09-11 |
| 8200138 | Presser member, fixing device and image forming apparatus | Naoki Yamamoto, Satoru Yoneda, Taizou Oonishi, Hideaki Hayashi, Norikazu Okabe | 2012-06-12 |
| 8045908 | Fixing device and image forming apparatus | Toru Hayase, Naoki Yamamoto, Hideaki Hayashi, Taizou Oonishi, Norikazu Okabe | 2011-10-25 |
| 7974562 | Fixing device and image forming apparatus | Jinju Okuno | 2011-07-05 |
| 7801474 | Fixing device and image forming apparatus having fixing device | — | 2010-09-21 |