Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7796919 | Image forming apparatus capable of preventing worsening of image quality caused by excessively charged developer | Susumu Murakami, Takahisa Narikiyo, Kuniaki Nakano, Yoshie Iwakura | 2010-09-14 |
| 6886898 | Driving method of piezoelectric elements, ink-jet head, and ink-jet printer | Hiroshi Ishii | 2005-05-03 |