Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416874 | Toner, developer, toner accommodating unit, image forming apparatus, and image forming method | Yohichi Kitagawa, Masayuki Ukigaya, Mitsuaki Hirose, Daisuke Inoue | 2025-09-16 |
| 12353166 | Toner, method for manufacturing the toner, toner accommodating unit, image forming apparatus, and image forming method | Daisuke Inoue, Mitsuaki Hirose, Yohichi Kitagawa, Masayuki Ukigaya, Hiroshi Yamada | 2025-07-08 |
| 11372363 | Image forming apparatus and image forming method | Daisuke Inoue, Shinya Nakayama, Yohichi Kitagawa, Takaaki Tawada | 2022-06-28 |
| 9753426 | Image bearer protective agent, protective layer forming device, image forming method, image forming apparatus, and process cartridge | Hiroshi Nakai, Kohsuke Yamamoto, Hiroshi Mizusawa, Sho Akiyama | 2017-09-05 |
| 9513594 | Protective layer forming device and image forming apparatus | Kunio Hasegawa, Hiroshi Nakai, Tadashi Kasai, Takamasa Ozeki, Jun Hitosugi +6 more | 2016-12-06 |
| 9217985 | Image bearing member protecting agent, protective layer forming device, and image forming apparatus | Hiroshi Nakai, Kunio Hasegawa, Takuya Sekine | 2015-12-22 |
| 8989645 | Image forming apparatus | Kunio Hasegawa, Hiroshi Nakai, Takuya Sekine | 2015-03-24 |