Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626999 | Phthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the same | Mikio Itagaki, Shigeru Hayashida, Megumi Matsui, Hiroko Ishikawa, Yoshii Morishita | 1997-05-06 |