Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8942011 | Power supply apparatus and image forming apparatus | Takahiro Kato, Koji Umetsu | 2015-01-27 |
| 7650090 | Image forming apparatus having fusion control circuit that operates even in the presence of a short circuit | Kazuaki Arai | 2010-01-19 |
| 7558494 | Image forming apparatus | — | 2009-07-07 |
| 7440705 | Image forming apparatus with toner cartridge and the toner cartridge | — | 2008-10-21 |
| 6697679 | Option-identifying system | — | 2004-02-24 |
| 4930089 | Method for identifying coordinate data for selected locations on preprinted paper and supplying the data to a printer for printing at corresponding locations | Kohtaroh Yoshimura, Hidenori Naoi, Nobuo Wakasugi | 1990-05-29 |