Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9131091 | Document reading device and image forming apparatus | Kazuyuki OHGI, Hiroko Saito, Kazuhiro Tobita, Mitsuyuki Ishida | 2015-09-08 |
| 8908241 | Document reading device and image forming apparatus | Kazuyuki OHGI, Hiroko Saito, Kazuhiro Tobita, Mitsuyuki Ishida | 2014-12-09 |
| 8265520 | Image forming apparatus | Kazuhiro Gotoh | 2012-09-11 |
| 7155148 | Image forming apparatus | Shigeki Nishimura, Hiromitsu Koizumi, Masayuki Nishimura, Takuji Matsumoto, Naomasa Okimura | 2006-12-26 |
| D491979 | Toner cartridge | Takuji Matsumoto | 2004-06-22 |
| D459388 | Toner cartridge | Takeshi Okoshi, Hideo Nagura | 2002-06-25 |