Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020865 | Driving method and apparatus for light emitting device | Hideo Ochi, Shinichi Ishizuka | 2000-02-01 |
| 5923309 | Display device using current driven type light emitting elements | Shinichi Ishizuka, Hiroshi Ohata, Hideo Ochi | 1999-07-13 |
| 5844368 | Driving system for driving luminous elements | Shinichi Ishizuka | 1998-12-01 |
| 5828181 | Driving circuit for an organic electroluminescent element used in a display | — | 1998-10-27 |
| 5793163 | Driving circuit for light emitting element | — | 1998-08-11 |
| 5361136 | Apparatus for detecting crosstalk in reproduced high-vision signal | — | 1994-11-01 |
| 5319625 | Apparatus using demodulators to detect crosstalk from a signal read from a recording medium | — | 1994-06-07 |
| 5283659 | Apparatus and method of high vision signal recording using expansion techniques and digital drop-out compensation | Toru Akiyama, Akihiro Tozaki, Motooki Sugihara | 1994-02-01 |
| 5206726 | Time base corrector for eliminating time base fluctuations in a composite video signal | — | 1993-04-27 |
| 5164838 | Time base error signal generating apparatus | — | 1992-11-17 |