Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7190651 | Device and method for recording data to optical disk using recording pulse with corrected edge position | Toyoji Gushima | 2007-03-13 |
| 7139227 | Device and method for recording data to optical disk using recording pulse with corrected edge position | Toyoji Gushima | 2006-11-21 |
| 7139228 | Device and method for recording data to optical disk using recording pulse with corrected edge position | Toyoji Gushima | 2006-11-21 |
| 7136342 | Device and method for recording data to optical disc using recording pulse with corrected edge position | Toyoji Gushima | 2006-11-14 |
| 6721255 | Device and method for recording data to optical disk using recording pulse with corrected edge position | Toyoji Gushima | 2004-04-13 |
| 5808699 | Visual image signal processing apparatus using arithmetic operation on brightness reference signal overlaid in fly-back period of input visual image signal | Susumu Tsujihara, Yoshio Seki, Mitsuo Isobe | 1998-09-15 |
| 5583401 | Beam landing correction apparatus for a cathode ray tube | Susumu Tsujihara, Kazushige Kida | 1996-12-10 |
| 5532765 | Image correction apparatus using a displayed test signal | Susumu Tsujihara | 1996-07-02 |
| 5504538 | Video signal processor for controlling the brightness and contrast of a display device | Susumu Tsujihara | 1996-04-02 |
| 5473224 | Convergence correction apparatus | Susumu Tsujihara | 1995-12-05 |
| 5398083 | Convergence correction apparatus for use in a color display | Susumu Tsujihara, Yasuaki Sakanishi | 1995-03-14 |