Issued Patents All Time
Showing 76–83 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928383 | Three-dimensional information detecting system, three-dimensional information detecting device and input device for three-dimensional information detecting system | Masamitsu Fukushima, Masamitsu Ito | 2005-08-09 |
| 6812740 | Low-voltage drive circuit and method for the same | — | 2004-11-02 |
| 6798284 | Variable-impedance reference circuit and varying method | — | 2004-09-28 |
| 6433781 | Orientation-detecting apparatus, orientation-detecting method, orientation-detecting sensor device and orientation-designating device | Masamitsu Ito, Masamitsu Fukushima | 2002-08-13 |
| 5646377 | Point detecting device and method of same | — | 1997-07-08 |
| 5619431 | Position detecting device and corresponding method with compensation for the effects of offset voltage and/or gain variation | — | 1997-04-08 |
| 5576735 | Coordinates detecting apparatus with display unit of a type having separate control unit | Akio Kikuchi | 1996-11-19 |
| 5554827 | Method of and apparatus for determining whether a digitizer coordinate detecting tablet is properly operating and/or writing adjustment data into a memory associated with the tablet | — | 1996-09-10 |