Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12259671 | Resin belt, fixing belt, fixing device, and image forming apparatus | Hiroaki Tanaka, Taiki NAGAMATSU, Tomotake Inagaki, Ryohei YOSHIKAWA | 2025-03-25 |
| 12253815 | Endless belt, fixing belt, fixing device, and image forming apparatus | Ryohei YOSHIKAWA, Tomotake Inagaki, Hiroaki Tanaka, Taiki NAGAMATSU | 2025-03-18 |
| 12197156 | Polymer film, tubular fixing member, fixing device, and image forming apparatus | Hiroaki Tanaka, Ryohei YOSHIKAWA, Taiki NAGAMATSU, Tomotake Inagaki, 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, Taiki NAGAMATSU, Tomotake Inagaki | 2024-12-24 |
| 12117752 | Resin belt for image forming apparatus, fixing belt, fixing device, and image forming apparatus | Tomotake Inagaki, Ryohei YOSHIKAWA, Yasuhiko Kinuta, Hitoshi Komuro | 2024-10-15 |
| 11774885 | Polymer material molded product, fixing member, method for producing fixing member, fixing device, and image forming apparatus | Tomotake Inagaki, 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, Tomotake Inagaki, Ryohei YOSHIKAWA, Kenji Omori, Junko YAMASAKI | 2023-05-09 |
| 11339289 | Polyimide precursor solution and polyimide shaped article | Wataru Yamada | 2022-05-24 |
| 11215935 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Masahiro Iwasaki, Wataru Yamada, Kota Maki | 2022-01-04 |
| 11169455 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Masahiro Iwasaki, Wataru Yamada, Kota Maki | 2021-11-09 |
| 11150567 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Kota Maki, Masahiro Iwasaki | 2021-10-19 |
| 10890854 | Electrophotographic photoreceptor, process cartridge, image forming apparatus, and imide compound | Masahiro Iwasaki, Ryosuke Fujii, Wataru Yamada | 2021-01-12 |
| 10754266 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Masahiro Iwasaki, Wataru Yamada, Kota Maki | 2020-08-25 |
| 10712679 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Wataru Yamada, Masahiro Iwasaki, Kota Maki | 2020-07-14 |
| 10696808 | Porous film and method of forming porous film | Katsumi Nukada, Tomoya Sasaki, Kana MIYAZAKI, Masashige Watanabe | 2020-06-30 |
| 10642173 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Masahiro Iwasaki, Kota Maki, Wataru Yamada | 2020-05-05 |
| 10514621 | Electrophotographic photoreceptor, process cartridge, image forming apparatus, and imide compound | Masahiro Iwasaki, Ryosuke Fujii, Wataru Yamada | 2019-12-24 |
| 10496355 | Image management system, management device, program, and image output device | Keisuke OI | 2019-12-03 |
| 9864286 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Fumiaki Mera, Nobuyuki Torigoe, Masaki Hirakata, Hideya KATSUHARA, Yoichi KIGOSHI +5 more | 2018-01-09 |
| 9535343 | Image forming method, image forming apparatus, and process cartridge | Katsumi Nukada, Hidekazu Hirose, Tomoya Sasaki, Yuko IWADATE, Tatsuki SANO | 2017-01-03 |
| 9310702 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Katsumi Nukada, Hidekazu Hirose, Yuko IWADATE | 2016-04-12 |
| 9235145 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Katsumi Nukada, Wataru Yamada, Hidekazu Hirose, Yuko IWADATE | 2016-01-12 |
| 9188885 | Reactive compound, charge transporting film, photoelectric conversion device, electrophotographic photoreceptor and method of producing the same, process cartridge, and image forming apparatus | Tomoya Sasaki, Katsumi Nukada, Wataru Yamada, Takatsugu Doi, Yuko IWADATE | 2015-11-17 |
| 9182687 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Tomoya Sasaki, Katsumi Nukada, Wataru Yamada, Hidekazu Hirose, Yuko IWADATE | 2015-11-10 |
| 9057972 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus | Katsumi Nukada, Wataru Yamada, Hidekazu Hirose, Yuko IWADATE | 2015-06-16 |