Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7664153 | Laser diode array, optical scanning device and printing apparatus | — | 2010-02-16 |
| 7542496 | Semiconductor laser device, light scanner, and image forming apparatus | Junshin Sakamoto | 2009-06-02 |
| 7206329 | Driving system for a semiconductor laser device | Shinichi Nakatsuka, Jyunshin Sakamoto, Susumu Saito | 2007-04-17 |
| 6243187 | Polygonal mirror device | Junshin Sakamoto | 2001-06-05 |