Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657579 | Method for measuring distance and position using spread spectrum signal, and an equipment using the method | Nobukazu Doi, Mikio Kuwahara, Tomoaki Ishifuji | 2003-12-02 |
| 6640107 | Wireless location handset apparatus | Mikio Kuwahara | 2003-10-28 |