Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629915 | Semi-conducting roll and developing device | Yasumoto Kodama | 2003-10-07 |
| 6390961 | Semiconductive silicone rubber roller | Kazuya Nakada, Fusao Yomoda | 2002-05-21 |
| 6319181 | Semiconductive rubber roller | Masatoshi Naoi, Takashi Nozawa, Masahiro Ikeda | 2001-11-20 |
| 5984849 | Semiconductive rubber roller | Shuji Oguchi | 1999-11-16 |
| 5827160 | Semiconductive silicone rubber roller thereof | Shuji Oguchi, Masahiro Ikeda | 1998-10-27 |