Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8924994 | Power management for audience measurement meters | James Joseph Vitt, Cheuk Wan Chan, Min Zhang | 2014-12-30 |
| 8914819 | Methods and apparatus for metering portable media players | Paul M. Mears, Robert A. Luff, Robert Stokes, Arun Ramaswamy, Brian Scott Mello +2 more | 2014-12-16 |
| 8869187 | Methods and apparatus to determine audience viewing of recorded programs | David Howell Wright, Joseph G. Milavsky, Morris Lee, William A. Feininger, Vasiliki Koutsopanagos +1 more | 2014-10-21 |
| 8752081 | Methods, systems and apparatus for multi-purpose metering | Arun Ramaswamy, Wayne A. Olmsted, Karin Johnson, Fred Martensen, Daniel Nelson +2 more | 2014-06-10 |
| 8505042 | Methods and apparatus for identifying viewing information associated with a digital media device | Christen V. Nielsen, Joseph G. Milavsky | 2013-08-06 |
| 8327396 | Methods, systems, and apparatus for multi-purpose metering | Arun Ramaswamy, Wayne A. Olmsted, Karin Johnson, Fred Martensen, Daniel Nelson +2 more | 2012-12-04 |
| 8204353 | Apparatus and methods for tracking and analyzing digital recording device event sequences | — | 2012-06-19 |
| 8181848 | Methods and apparatus for metering printed media | Wayne A. Olmsted, Michael Alan Hicks, Robert A. Luff | 2012-05-22 |
| 8065697 | Methods and apparatus to determine audience viewing of recorded programs | David Howell Wright, Joseph G. Milavsky, Morris Lee, William A. Feininger, Vasiliki Koutsopanagos +1 more | 2011-11-22 |
| 4823328 | Radio signal controlled digital clock | Michael W. Faber, David Schachter, Philip M. Spira, Chi-Wen Wang, Paul L. Williams | 1989-04-18 |
| 4768178 | High precision radio signal controlled continuously updated digital clock | Stephen O. Jeppson, Ronald W. Mongeon, David Schachter, Philip M. Spira, Paul L. Williams | 1988-08-30 |