Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8998786 | Process for producing conductive rubber roller, and roller for electrophotographic apparatus | Satoshi Fukuzawa, Mitsuru Okuda, Erika Uematsu | 2015-04-07 |
| 8533953 | Process for producing conductive rubber roller, and roller for electrophotographic apparatus | Satoshi Fukuzawa, Mitsuru Okuda, Erika Umeki | 2013-09-17 |
| 8037607 | Process for producing conductive rubber roller, and roller for electrophotographic apparatus | Satoshi Fukuzawa, Mitsuru Okuda, Erika Umeki | 2011-10-18 |
| 7976447 | Conductive rubber roller and transfer roller | Ryuta Urano | 2011-07-12 |
| 7520057 | Process for producing conductive rubber roller, and roller for electrophotographic apparatus | Satoshi Fukuzawa, Mitsuru Okuda, Erika Umeki | 2009-04-21 |