Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6558862 | Electrophotographic photoreceptor and image forming apparatus using the photoreceptor | Narihito Kojima, Ryuta Takeichi, Hiroshi Nagame, Yohta Sakon | 2003-05-06 |
| 6521386 | Electrophotographic photoreceptor and electrophotographic image forming method and apparatus using the photoreceptor | Yohta Sakon, Narihito Kojima, Minoru Umeda, Masao Yoshikawa, Hiroshi Nagame +1 more | 2003-02-18 |