Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886721 | Electrophotographic plate by use of metal naphthalocyanine derivative | Shigeru Hayashida, Seiji Tai, Nobuyuki Hayashi, Yasushi Iwakabe, Shunichi Numata | 1989-12-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886721 | Electrophotographic plate by use of metal naphthalocyanine derivative | Shigeru Hayashida, Seiji Tai, Nobuyuki Hayashi, Yasushi Iwakabe, Shunichi Numata | 1989-12-12 |