Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10012927 | Developing roller including roller body with simplified structure without a coating film | Yuta Imase | 2018-07-03 |
| 9885970 | Semiconductive roller | — | 2018-02-06 |
| 9880490 | Semiconductive roller for image developing roller | Kenichi Kuroda | 2018-01-30 |
| 9703225 | Semiconductive roller | — | 2017-07-11 |
| 9639025 | Semiconductive roller | Takashi Marui, Yoshihisa Mizumoto | 2017-05-02 |
| 9539744 | Semiconductive roller and production method therefor | — | 2017-01-10 |
| 9274460 | Semiconductive roller, charging roller and electrophotographic apparatus | — | 2016-03-01 |
| 9064617 | Electrically conductive rubber composition, developing roller, and image forming apparatus | Takashi Marui, Yoshihisa Mizumoto | 2015-06-23 |
| 8882646 | Semiconductive roller, charging roller and electrophotographic apparatus | Kiyotaka Okuda, Takashi Marui | 2014-11-11 |
| 8277692 | Semiconductive rubber composition and semiconductive rubber roller employing the same | Takashi Marui, Yoshihisa Mizumoto, Noriaki Hitomi | 2012-10-02 |
| 7744781 | Conductive thermoplastic elastomer composition, method of producing same, and molding | Hideyuki Okuyama | 2010-06-29 |
| 7728060 | Conductive roller of rubber, thermoplastics, EO-PO-glycidyl ether, fluoro and sulfonyl anion salt and microcapsule | Akira Minagoshi | 2010-06-01 |
| 6572307 | Fender with step and/or projection | Yasufumi Kozono, Akira Kamigoro | 2003-06-03 |
| 6187420 | Fender | Yoshihisa Mizumoto | 2001-02-13 |