Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304445 | Phthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the same | Shigeru Hayashida, Megumi Matsui, Hiroko Ishikawa, Yoshii Morishita, Takayuki Akimoto | 1994-04-19 |