Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4786943 | Device for removing residual developer particles from a photoconductive member | Kensuke Fukae | 1988-11-22 |
| 4775205 | Light-beam scanning apparatus having two beam waists | — | 1988-10-04 |
| 4639072 | Optical beam scanning apparatus including a cylindrical lens having its opposite ends closer to the scanned plane than its medial portion | Toyotsugu Itoh | 1987-01-27 |
| 4517297 | Method for the preparation of physiological effectors | Nagao Totani, Helmut Mangold | 1985-05-14 |
| 4496209 | Optical beam scanning apparatus including a cylindrical lens having its opposite ends closer to the scanned plane than its medial portion | Toyotsugu Itoh | 1985-01-29 |
| 4268160 | Electrophotographic copying apparatus capable of reproducing electric signal image | — | 1981-05-19 |
| 4256822 | Electrophotographic plate containing quaternary ammonium salt polymer interlayer | Noriyoshi Tarumi, Akihiko Tamura, Masakazu Kokiso, Koichi Nagayasu | 1981-03-17 |