Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6909422 | Track ball device and electronic apparatus using the same | Tamotsu Yamamoto, Masaki Nakase, Toyoshi Fukumura | 2005-06-21 |
| 6864679 | Rotary manipulation type input device and electronic apparatus using the same | Tamotsu Yamamoto | 2005-03-08 |