Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8456320 | Feedback with front light | — | 2013-06-04 |
| 8095948 | System and method for billing for interactive television | — | 2012-01-10 |
| 7493636 | Method and apparatus for providing electronic coupons | Andrew Proehl, Gong Szedo, Keiichi Totsuka | 2009-02-17 |
| 7406704 | Virtual channel system for web appliance, including interactive television | Tsutomu Akiyama, Frederick J. Zustak, Shigeharu Kondo | 2008-07-29 |
| 7225456 | Gateway screen for interactive television | Makoto Nijima, Tsutomu Akiyama, Shigeharu Kondo | 2007-05-29 |
| 7096489 | System and method for interactive television | Tsutomu Akiyama, Shigeharu Kondo | 2006-08-22 |
| 6282713 | Method and apparatus for providing on-demand electronic advertising | Andrew Proehl, Gong Szedo, Keiichi Totsuka | 2001-08-28 |
| 6262763 | Actual size image display | Keiichi Totsuka | 2001-07-17 |