Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6570103 | Method and apparatus for coordinate inputting capable of effectively using a laser ray | Kenichi Takekawa | 2003-05-27 |
| 6518959 | Device for detecting and inputting a specified position | Takahiro Ito | 2003-02-11 |