Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6429856 | Coordinate position inputting/detecting device, a method for inputting/detecting the coordinate position, and a display board system | Kunikazu Tsuda, Makoto Tanaka | 2002-08-06 |
| 6421042 | Coordinate position inputting/detecting device, a method for inputting/detecting the coordinate position, and a display board system | Takao Inoue | 2002-07-16 |
| 5218558 | Output circuit of a charge-coupled device | — | 1993-06-08 |
| 5208874 | Method for correcting image signal deteriorated by flare and image reading unit | — | 1993-05-04 |
| 5161113 | CCD output signal processing method and apparatus | — | 1992-11-03 |