Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5525447 | Electrophotographic photoconductor | Hiroshi Ikuno, Narihito Kojima, Shunpei Yamazaki, Shigenori Hayashi | 1996-06-11 |
| 5452061 | Image formation apparatus | Narihito Kojima, Hiroshi Ikuno | 1995-09-19 |
| 5390015 | Carrier removal in an electrophotographic image formation method | Narihito Kojima | 1995-02-14 |
| 5264903 | Cleaning unit with a cleaning member made of activated carbon fibers | Narihito Kojima | 1993-11-23 |
| 5147751 | Electrophotographic photoconductor and electrophotographic copying process and apparatus using the photoconductor | Narihito Kojima, Mitsuru Seto, Takashi Rokutanzono, Shinji Nousho | 1992-09-15 |
| 5059502 | Electrophotographic photoconductor | Narihito Kojima, Mitsuru Seto, Shunpei Yamazaki, Shigenori Hayashi, Noriya Ishida +3 more | 1991-10-22 |
| 5008172 | Electrophotographic photoconductor | Takashi Rokutanzono, Yukio Ide, Kohichi Ohshima, Narihito Kojima, Shinji Nousho | 1991-04-16 |
| 4957839 | Electrophotographic photoconductor having a silicone resin charge retention layer | Takashi Rokutanzono, Yukio Ide, Kouichi Ohshima, Narihito Kojima, Shinji Nosho | 1990-09-18 |