Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618935 | Tricyclic pyrazine compound and electrophotographic photoconductor comprising the same | Masayuki Shoshi, Kaoru Teramura, Masayuki Koyano, Megumi Kawahara | 1997-04-08 |
| 5460909 | Pyrazine compound and electrophotographic photoconductor comprising the same | Masayuki Shoshi, Kaoru Teramura, Masayuki Koyano, Megumi Kawahara | 1995-10-24 |