Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7133634 | Circulating body and fixing device | Hitoshi Komuro, Hiroshi Tamemasa, Yousuke Tsutsumi, Kei Inamura | 2006-11-07 |
| 6895208 | Sliding member for electrophotographic apparatus and fixing device using the same | Yousuke Tsutsumi, Jun Kimura | 2005-05-17 |
| 5904777 | Magnetic one-component development apparatus | Shigeo Ohta | 1999-05-18 |
| 5897477 | Developer carrier and developing apparatus comprising the same | Shigeo Ohta, Hiroshi Takayama | 1999-04-27 |