Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12215238 | Clear ink, printing method, and inkjet printing apparatus | Hiroaki Takahashi, Kiminori Masuda | 2025-02-04 |
| 11274221 | Ink, ink set, ink container, image forming method, image forming apparatus and recorded matter | Kazuhiko Umemura, Yuuki Yokohama, Akihiko Matsuyama, Amika Sagara, Masaki Kudo +1 more | 2022-03-15 |
| 11059983 | Ink, ink container, inkjet recording device, and recording method | Akihiko Matsuyama, Yuuki Yokohama, Amika Sagara, Masaki Kudo, Kazuhiko Umemura +1 more | 2021-07-13 |
| 9864322 | Image forming apparatus | Koichi Kato | 2018-01-09 |
| 9201334 | Residual voltage reducing processing cartridge, image forming apparatus with same, and image forming method | Masahide Yamashita | 2015-12-01 |
| 8351823 | Image forming apparatus, image bearing member, and method of manufacturing image bearing member | Shinji Nohsho, Mihoko Matsumoto, Yukio Fujiwara, Kohsuke Yamamoto | 2013-01-08 |
| 8293439 | Electrophotographic photorecptor, method of manufacturing electrophotographic photorecptor, image forming apparatus, and process cartridge | Yukio Fujiwara, Hidetoshi Kami, Kazuhiro Egawa, Shinji Nohsho, Mihoko Matsumoto +1 more | 2012-10-23 |