Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6391505 | Phthalocyanine crystal and its production, and electrophotosensitive material using the same | Yukimasa Watanabe | 2002-05-21 |
| 6376142 | Electrophotosensitive material containing specific maleimide derivative | Fumio Sugai | 2002-04-23 |