Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700614 | cyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compound | Ikuko Yamada, Masayuki Shoshi, Akio Kojima | 1997-12-23 |
| 5618935 | Tricyclic pyrazine compound and electrophotographic photoconductor comprising the same | Masayuki Shoshi, Yumi Ichikawa, Kaoru Teramura, Masayuki Koyano | 1997-04-08 |