Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4391892 | Multiple copy electrophotographic process using dye sensitized ZnO | Yasushi Kamezaki, Eiichi Inoue, Hitoshi Nishihama, Akira Fushida | 1983-07-05 |
| 4330198 | Magnetic brush developing device for electrostatic copying apparatus | Yuji Hasegawa | 1982-05-18 |