Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700614 | cyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compound | Megumi Kawahara, Masayuki Shoshi, Akio Kojima | 1997-12-23 |