Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9709947 | Image forming apparatus | Takaharu Koyama, Takayuki Kikuchi | 2017-07-18 |
| 8811851 | Image forming apparatus and trapping device | Yuji Otsuka, Hajime Yoshii, Teruyo Ryuzaki | 2014-08-19 |
| 8571436 | Gas transfer unit | — | 2013-10-29 |
| 7865122 | Recording material cooling apparatus, and image forming apparatus including the same | Takaharu Koyama, Yoshihiko Ichikawa, Shuuichi Yamamura, Satoru Nishikawa, Masayuki Enta +2 more | 2011-01-04 |