Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658150 | Image recognition system | Takayuki Tsuji, Hiroshi Hattori, Masahito Watanabe | 2003-12-02 |
| 6531959 | Position detecting device | Takayuki Tsuji, Masahito Watanabe, Hiroshi Hattori | 2003-03-11 |