Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694203 | Distance camera device having light gate for extracting distance information | — | 1997-12-02 |
| 5693914 | Digitizer and method of detecting positions | — | 1997-12-02 |
| 5682019 | Position detecting apparatus and position pointing device including elapsed time period build up detector | Yuji Katsurahira | 1997-10-28 |
| 5644126 | Manual implement for inputting incremental information by attitude control | — | 1997-07-01 |
| 5642164 | Light spot position measuring apparatus having orthogonal cylindrical lenses | — | 1997-06-24 |
| 5640241 | Light spot position measuring method of detecting one-dimensional position by two-dimensional sensor | — | 1997-06-17 |
| 5608528 | Optical position detecting method using asynchronous modulation of light source | — | 1997-03-04 |