Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8676091 | Charging device and image forming apparatus | Koji Otsuka, Yuki Nagamori, Arichika Tanaka | 2014-03-18 |
| 7567773 | Developer vessel | Masanori Kato, Naoya Iwata | 2009-07-28 |
| 7509080 | Developing unit with developer opening/closing member | Naoya Iwata, Tetsuji Okamoto, Akihide Kawamura | 2009-03-24 |
| 5532804 | Device for developing an electrostatic image on an image member | Kei Hirata, Nobumasa Furuya, Takeshi Sumikawa | 1996-07-02 |
| 5270483 | Developing apparatus | Yoshio Inoue, Yoshikazu Okamoto, Yoshikazu Takahashi, Takashi Fuchiwaki | 1993-12-14 |