Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5004662 | Electrophotographic photosensitive material containing m-phenylenediamine compound | Yasuyuki Hanatani, Toshihiko Nishiguchi | 1991-04-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5004662 | Electrophotographic photosensitive material containing m-phenylenediamine compound | Yasuyuki Hanatani, Toshihiko Nishiguchi | 1991-04-02 |