Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12366817 | Developing cartridge including protrusion positioned at outer surface of casing | Yasuo Fukamachi, Kazuna Taguchi | 2025-07-22 |
| 12264093 | Ion removal system | Ayane Takehisa, Yasunari Maeda, Tomohiro Akita | 2025-04-01 |
| 12134573 | Ion removal system | Ayane Takehisa, Tomohiro Akita, Yasunari Maeda | 2024-11-05 |
| 12110246 | Ion removal system | Ayane Takehisa, Tomohiro Akita, Yasunari Maeda | 2024-10-08 |
| 11934113 | Developing cartridge including protrusion positioned at outer surface of casing | Yasuo Fukamachi, Kazuna Taguchi | 2024-03-19 |
| 11635708 | Developing cartridge including protrusion positioned at outer surface of casing | Yasuo Fukamachi, Kazuna Taguchi | 2023-04-25 |
| 11327418 | Developing cartridge including protrusion positioned at outer surface of casing | Yasuo Fukamachi, Kazuna Taguchi | 2022-05-10 |
| 10928750 | Developing cartridge including protrusion positioned at outer surface of casing | Yasuo Fukamachi, Kazuna Taguchi | 2021-02-23 |
| 10583673 | Printing apparatus, printing method and computer-readable medium | Naoki Inoue, Kazuma Hojo, Ryohei Nakagawa | 2020-03-10 |
| 10551768 | Developing cartridge including protrusion positioned at outer surface of casing | Yasuo Fukamachi, Kazuna Taguchi | 2020-02-04 |
| 10222724 | Developing cartridge including protrusion positioned at outer surface of casing | Yasuo Fukamachi, Kazuna Taguchi | 2019-03-05 |
| 9857731 | Developing cartridge including protrusion positioned at outer surface of casing | Yasuo Fukamachi, Kazuna Taguchi | 2018-01-02 |
| D795340 | Toner cartridge | Kazuna Taguchi, Koji Abe, Motoaki Mushika, Yasuo Fukamachi | 2017-08-22 |
| D795341 | Toner cartridge | Kazuna Taguchi, Koji Abe, Motoaki Mushika, Yasuo Fukamachi | 2017-08-22 |
| D783087 | Photosensitive drum unit | Yasuo Fukamachi, Motoaki Mushika, Koji Abe, Kazuna Taguchi | 2017-04-04 |
| 9383720 | Process cartridge and drum cartridge | Yasuo Fukamachi, Kazuna Taguchi, Koji Abe, Motoaki Mushika | 2016-07-05 |
| 9020390 | Developing device having seal members to restrict toner leakage | Yasuo Fukamachi, Masahiro Ishii, Keigo Nakajima, Kenta Tosuji | 2015-04-28 |
| 9014592 | Developing device having seal members to restrict toner leakage | Yasuo Fukamachi, Masahiro Ishii, Keigo Nakajima, Kenta Tosuji | 2015-04-21 |