Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10745543 | Antistatic rubber composition | Masashi Hamakubo, Akihiro Mine, Toshiyuki Hirai, Yoshihiro Yamada | 2020-08-18 |
| 10294052 | Sheet feed roller, and method of producing the same | Masashi Hamakubo | 2019-05-21 |
| 10261460 | Paper feed roller and image forming apparatus with the paper feed roller | Hirofumi Konishi, Akihiro Mine, Toshiyuki Hirai, Yoshihiro Yamada, Yuichi Sato | 2019-04-16 |