Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043023 | Power transmission mechanism of shaft and hub | Masahiko Igarashi, Masanori Kosugi | 2011-10-25 |
| 7972078 | Power transmission mechanism of shaft and hub | Masahiko Igarashi, Masanori Kosugi | 2011-07-05 |
| 7969460 | Optical scanning device and image forming apparatus | Kazuhiro Akatsu, Yasuyuki Shibayama | 2011-06-28 |
| 7908897 | Spline rolling tool, and process of manufacturing spline rolling tool | Masahiko Igarashi, Hideo Watanabe, Nobuyoshi Asaga, Satoshi Komuro, Daisuke Sakurai +3 more | 2011-03-22 |
| 7876485 | Light scanning unit and image forming apparatus using the same | — | 2011-01-25 |