Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8480213 | Liquid containing tank, liquid-jet head unit, and image forming apparatus | Yoshitaka Akiyama, Hirotaka Kobayashi | 2013-07-09 |
| 8366242 | Liquid-ejection head unit and image forming apparatus | Tomohiko Koda, Kenichi Yoshimura, Tomiyoshi Takano, Masami Iwama | 2013-02-05 |
| 8337002 | Ink ejection head unit and image forming apparatus | Yoshitaka Akiyama, Hirotaka Kobayashi | 2012-12-25 |
| 5826990 | Method and device for limiting a number of times each print hammer is driven during a predetermined period of time | Toshiyuki Suzuki, Masami Iwama, Kohichi Yageta | 1998-10-27 |