Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643703 | Hydroxygallium phthalocyanine crystal, process for preparing same, and electrophotographic photoreceptor comprising same | Katsumi Daimon, Katsumi Nukada, Yasuo Sakaguchi | 1997-07-01 |
| 5604064 | Charge-transporting polymer and organic electronic device using the same | Katsumi Nukada, Akira Imai, Masahiro Iwasaki | 1997-02-18 |