Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10745543 | Antistatic rubber composition | Yudai Okuno, Masashi Hamakubo, Toshiyuki Hirai, Yoshihiro Yamada | 2020-08-18 |
| 10261460 | Paper feed roller and image forming apparatus with the paper feed roller | Hirofumi Konishi, Toshiyuki Hirai, Yoshihiro Yamada, Yudai Okuno, Yuichi Sato | 2019-04-16 |
| 10153067 | Electroconductive elastomer composition and manufacturing method therefor | Munehiro Nishimoto, Masashi Hamakubo, Masahiro Yoshizato | 2018-12-11 |
| 9926161 | Paper feeding roller | Masashi Hamakubo | 2018-03-27 |
| 9809405 | Paper feeding roller | Masashi Hamakubo | 2017-11-07 |
| 9637623 | Rubber composition, sheet conveying roller, and image forming apparatus | Toshihiro Tamura, Takehiko Hyodo | 2017-05-02 |
| 9586774 | Sheet feeding member | Toshihiro Tamura, Takehiko Hyodo | 2017-03-07 |
| 9422124 | Sheet conveying roller | Toshihiro Tamura, Masahiro Yoshizato | 2016-08-23 |
| 8986182 | Paper feed roller | Toshihiro Tamura, Hirokazu Nishimori, Hideyuki Okuyama | 2015-03-24 |
| 8900108 | Sheet conveying roller and rubber composition | Yasuchika Ito | 2014-12-02 |
| 8807554 | Sheet conveying roller and image forming apparatus | Hirokazu Nishimori, Masahiro Yoshizato, Toshiyuki Hirai, Toshihiro Tamura, Keishi YAMAMOTO | 2014-08-19 |
| 7866657 | Paper-feeding roller | Hirokazu Nishimori, Yasuchika Ito, Toshiyuki Hirai | 2011-01-11 |
| 7472732 | Rubber composition and competition tire using the same | Hideki Otsuji, Shuichi Sakamoto | 2009-01-06 |
| 7367554 | Member for preventing feeding of a plurality of sheets at a time | Hirokazu Nishimori, Toshiyuki Hirai | 2008-05-06 |