Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8661554 | Controlling program, image forming apparatus and print controlling method | Takeshi Nakajima, Hirohiko Yamazaki, Tsuyoshi Yoneyama | 2014-02-25 |
| 8172144 | Media storing code detecting program, code detecting method, and image forming apparatus | Takeshi Nakajima, Hirohiko Yamazaki, Tsuyoshi Yoneyama, Hiroshi Seguchi | 2012-05-08 |
| 6480297 | Image forming apparatus | Tomohiro Suzuki, Kunio Shijo, Seiichi Watanabe, Hirohiko Yamazaki, Masaki Kakutani +8 more | 2002-11-12 |
| 6091929 | Image forming apparatus having stapling position controller | Hirohiko Yamazaki, Akihiko Oda, Kazuhiro Hirota, Masaki Kakutani | 2000-07-18 |