Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611669 | Image forming apparatus with superposed direct current and alternating current charging voltage | Jun Suzuki, Katsuhiro Sakaizawa, Masaru Shimura | 2003-08-26 |
| 6603935 | Image forming apparatus featuring application of superimposed DC and AC voltages and DC voltage | Katsuhiro Sakaizawa, Jun Suzuki, Masaru Shimura | 2003-08-05 |
| 6560426 | Image forming apparatus | Katsuhiro Sakaizawa, Jun Suzuki, Masaru Shimura | 2003-05-06 |