Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12259671 | Resin belt, fixing belt, fixing device, and image forming apparatus | Kenji Kajiwara, Hiroaki Tanaka, Taiki NAGAMATSU, Ryohei YOSHIKAWA | 2025-03-25 |
| 12253815 | Endless belt, fixing belt, fixing device, and image forming apparatus | Ryohei YOSHIKAWA, Kenji Kajiwara, Hiroaki Tanaka, Taiki NAGAMATSU | 2025-03-18 |
| 12197156 | Polymer film, tubular fixing member, fixing device, and image forming apparatus | Kenji Kajiwara, Hiroaki Tanaka, Ryohei YOSHIKAWA, Taiki NAGAMATSU, Masayuki Seko | 2025-01-14 |
| 12174571 | Fixing belt including layer of polyimide and specific filler, fixing device including the fixing belt, and image forming apparatus including the fixing device | Hiroaki Tanaka, Ryohei YOSHIKAWA, Kenji Kajiwara, Taiki NAGAMATSU | 2024-12-24 |
| 12117752 | Resin belt for image forming apparatus, fixing belt, fixing device, and image forming apparatus | Ryohei YOSHIKAWA, Kenji Kajiwara, Yasuhiko Kinuta, Hitoshi Komuro | 2024-10-15 |
| 11796946 | Belt having an aggregate with entagled and non-entangled fibrous carbons | Ryohei YOSHIKAWA | 2023-10-24 |
| 11774885 | Polymer material molded product, fixing member, method for producing fixing member, fixing device, and image forming apparatus | Kenji Kajiwara, Ryohei YOSHIKAWA, Kenji Omori, Ryosuke Kubota, Jun Kimura +1 more | 2023-10-03 |
| 11644776 | Endless belt, fixing belt, fixing device, and image forming apparatus | Hideaki Ohara, Ryohei YOSHIKAWA, Kenji Omori, Kenji Kajiwara, Junko YAMASAKI | 2023-05-09 |
| 11537073 | Fixing belt, fixing device, and image forming apparatus | Ryohei YOSHIKAWA | 2022-12-27 |
| 11531295 | Fixing belt, fixing device, and image forming apparatus | Ryohei YOSHIKAWA | 2022-12-20 |
| 11487232 | Endless belt, fixing device, and image forming apparatus | Kenji Omori, Hideaki Ohara, Hitoshi Komuro, Jun Kimura | 2022-11-01 |
| 11334006 | Transfer device, image forming apparatus, and endless belt | Daisuke Tanemura, Shigeru Fukuda, Satoya Sugiura, Masato Ono, Masato Furukawa +6 more | 2022-05-17 |
| 11327425 | Fixing belt, fixing device, and image forming apparatus | Ryohei YOSHIKAWA, Ryo Sekiguchi | 2022-05-10 |
| 11067928 | Fixing member, fixing unit, and image forming apparatus | Yusuke Watanabe, Tomoko Suzuki, Hideaki Ohara, Ryohei YOSHIKAWA | 2021-07-20 |
| 10990048 | Fixing belt, fixing device, and image forming apparatus | Ryohei YOSHIKAWA, Ryo Sekiguchi | 2021-04-27 |
| 10890868 | Fixing member, fixing unit, and image forming apparatus | Hideaki Ohara, Tomoko Suzuki, Yusuke Watanabe | 2021-01-12 |
| 10802432 | Fixing member, fixing unit, and image forming apparatus | Tomoko Suzuki, Yusuke Watanabe, Hideaki Ohara | 2020-10-13 |
| 10802433 | Fixing member, fixing unit, and image forming apparatus | Yusuke Watanabe, Tomoko Suzuki, Hideaki Ohara, Ryohei YOSHIKAWA | 2020-10-13 |
| 9829822 | Roller member, image carrier device, and image forming apparatus | Kenji Omori, Koichi Matsumoto, Shogo Tomari, Junji Okada | 2017-11-28 |
| 9507297 | Tubular body, tubular body unit, and intermediate transfer body for image forming apparatus, image forming apparatus, and method for manufacturing tubular body | Tomoo MATSUSHIMA, Satoshi Mizoguchi, Fumio Daishi, Kenji Omori, Koichi Matsumoto | 2016-11-29 |
| 8971765 | Intermediate transfer member and method for manufacturing the same, intermediate transfer member unit, and image forming apparatus | Shigeru Fukuda, Masashi Hamabe, Tomoo MATSUSHIMA | 2015-03-03 |
| 8831490 | Endless belt for image-forming apparatus, endless belt unit, image-forming apparatus, and method for forming image | — | 2014-09-09 |
| 8725045 | Tubular article, tubular article unit, intermediate transfer material, and image forming apparatus | Yousuke Tsutsumi, Shigeru Fukuda, Tomoo MATSUSHIMA | 2014-05-13 |
| 8273517 | Method of manufacturing electrophotographic photoreceptor, electrophotographic photoreceptor, image-forming apparatus, and process cartridge | Kazuyuki Tada, Tomomasa Sato, Masaru Agatsuma | 2012-09-25 |
| 8133645 | Method of manufacturing electrophotographic photoreceptor, electrophotographic photoreceptor, image-forming apparatus, and process cartridge | Kazuyuki Tada, Tomomasa Sato, Masaru Agatsuma | 2012-03-13 |