Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957839 | Electrophotographic photoconductor having a silicone resin charge retention layer | Takashi Rokutanzono, Yukio Ide, Hiroshi Nagame, Kouichi Ohshima, Narihito Kojima | 1990-09-18 |