Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352834 | Electrophotographic member | Yasushi Sugimoto, Shigeru Hayashida, Hiroko Ishikawa, Yoshiaki Noda, Shigeru Murakami +4 more | 1994-10-04 |
| 5304445 | Phthalocyanine composition, process for preparing the same and electrophotographic photoreceptor using the same | Mikio Itagaki, Shigeru Hayashida, Megumi Matsui, Hiroko Ishikawa, Takayuki Akimoto | 1994-04-19 |