Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8277692 | Semiconductive rubber composition and semiconductive rubber roller employing the same | Takashi Marui, Yoshihisa Mizumoto, Kei Tajima | 2012-10-02 |
| 8211000 | Conductive roller | Takashi Marui, Takeshi Ishimaru | 2012-07-03 |
| 8023869 | Conductive roller which is mounted on an image-forming mechanism of an electrophotographic apparatus | Yoshihisa Mizumoto, Masakazu Tanaka, Takashi Marui, Hideyuki Okuyama | 2011-09-20 |
| 7869749 | Semiconductive rubber roller | Yoshihisa Mizumoto, Hirotoshi Murakami, Yajun Zhang | 2011-01-11 |
| 7448610 | Paper-feeding roller | Yasuchika Ito, Hirokazu Nishimori, Takeshi Ishimaru | 2008-11-11 |