Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11609510 | Developing device and image forming apparatus with a developer discharging structure | Katsumi Yamada, Yoshihisa Nakao, Masanori Kato, Shota IGAWA, Atsushi FUNADA +2 more | 2023-03-21 |
| 11567429 | Developing device and image forming apparatus with separately driven elements | Masanori Kato, Katsumi Yamada, Shota IGAWA, Yoshihisa Nakao, Atsushi FUNADA +4 more | 2023-01-31 |
| 11567430 | Developing device having a partition member and image forming apparatus | Masanori Kato, Katsumi Yamada, Shota IGAWA, Yoshihisa Nakao, Atsushi FUNADA +4 more | 2023-01-31 |
| 10990034 | Powder storage height detection device and powder replenishing device | Tomoyuki Hamachi, Yoshihisa Nakao, Makoto Kanno, Taiyou Uehara, Ryo Fukuno | 2021-04-27 |
| 10890861 | Powder storage height detection device and powder replenishing device | Yoshihisa Nakao, Makoto Kanno, Taiyou Uehara, Ryo Fukuno, Tomoyuki Hamachi | 2021-01-12 |
| 10884354 | Developer supply device and image forming apparatus | Makoto Kanno, Katsumi Yamada, Yoshihisa Nakao, Ryo Fukuno, Tomoyuki Hamachi | 2021-01-05 |
| 10649364 | Image forming apparatus | Tomoyuki Hamachi, Ryo Fukuno, Toshiaki Suzuki, Makoto Kanno | 2020-05-12 |
| 10185246 | Powder material storage container and image forming apparatus | Ryo Fukuno, Yasutomo Ishii, Keisuke Kubo, Kenjo Nagata, Toshiaki Suzuki | 2019-01-22 |
| 10108109 | Developing device and image forming apparatus | Yasutomo Ishii, Shunichiro Shishikura, Toshiaki Suzuki, Hiroaki Okuma, Ryo Fukuno | 2018-10-23 |