Issued Patents 2025
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1093475 | Photosensitive drum unit | Keita Shimizu, Ryuji Noda, Hideshi Nishiyama | 2025-09-16 |
| 12360491 | Drum cartridge and developing cartridge capable of suppressing variation in position of electrical contact surface | Koji Abe | 2025-07-15 |
| 12327787 | Semiconductor memory device | Takashi Fukushima, Naomi Fukumaki, Hiroko Tahara, Kenichi Ide | 2025-06-10 |
| 12282270 | Developer cartridge provided with gear having engagement portions | Keita Shimizu, Hideshi Nishiyama, Naoya Kamimura, Tomonori Watanabe | 2025-04-22 |
| 12274002 | Multilayer circuit board and electronic-component mount multilayer board | Atsushi Kishimoto, Takumi MASAKI, Masato Inaoka, Hiroshi Nishikawa, Takahiro Takada | 2025-04-08 |
| 12261260 | Micro-LED board and display device | Hiroaki Ito | 2025-03-25 |
| 12204275 | Developing cartridge providing layout of electrodes and detection gear | Keita Shimizu, Tomoya Ichikawa, Kazuna Taguchi | 2025-01-21 |