HY

Henry C. Yuen

GD Gemstar Development: 45 patents #1 of 29Top 4%
IS Index Systems: 32 patents #1 of 36Top 3%
EG E Guide: 9 patents #1 of 10Top 10%
RG Rovi Guides: 5 patents #241 of 684Top 40%
UP United Video Properties: 1 patents #113 of 191Top 60%
🗺 California: #2,061 of 386,348 inventorsTop 1%
Overall (All Time): #13,517 of 4,157,543Top 1%
104
Patents All Time

Issued Patents All Time

Showing 76–100 of 104 patents

Patent #TitleCo-InventorsDate
5995092 Television system and method for subscription of information services Roy J. Mankovitz, Daniel S. Kwoh, Elsie Y. Leung 1999-11-30
5987213 System and method for automatically recording television programs in television systems with tuners external to video recorders Roy J. Mankovitz 1999-11-16
5974222 Apparatus and method using compressed codes for scheduling broadcast information recording Daniel S. Kwoh 1999-10-26
5970206 Television calendar and method for creating same Daniel S. Kwoh 1999-10-19
5949471 Apparatus and method for improved parental control of television use Roy J. Mankovitz, Daniel S. Kwoh 1999-09-07
5903868 Audio recorder with retroactive storage Philip Yuen 1999-05-11
5898919 Cordless phone back link for interactive television system 1999-04-27
5886746 Method for channel scanning Elsie Y. Leung 1999-03-23
5870150 Television guide reader and programmer 1999-02-09
5812931 Two-way interactive television system incorporating pager transmitter and receiver for conducting messaging with information provider 1998-09-22
5716273 Apparatus and method for controlling educational and amusement use of a television 1998-02-10
5673089 Apparatus and method for channel scanning by theme Elsie Y. Leung 1997-09-30
5659367 Television on/off detector for use in a video cassette recorder 1997-08-19
5621579 Method for selectively playing back programs recorded on a video tape 1997-04-15
5600711 Apparatus and methods for providing initializing settings to an appliance 1997-02-04
5543852 Apparatus and methods for avoiding loss of closed caption data when using extended data services Daniel S. Kwoh, Wing P. Leung, Tony TAM 1996-08-06
5539391 Remote controller for controlling turning appliances on and off 1996-07-23
5532732 Apparatus and methods for using compressed codes for monitoring television program viewing Daniel S. Kwoh 1996-07-02
5523794 Method and apparatus for portable storage and use of data transmitted by television signal Roy J. Mankovitz 1996-06-04
5515173 System and method for automatically recording television programs in television systems with tuners external to video recorders Roy J. Mankovitz 1996-05-07
5488409 Apparatus and method for tracking the playing of VCR programs Daniel S. Kwoh 1996-01-30
5475382 Remote control mounting stand Daniel S. Kwoh 1995-12-12
D364166 Remote control 1995-11-14
5335079 Apparatus and method using compressed codes for recorder preprogramming Daniel S. Kwoh 1994-08-02
D349118 Controller for video cassette recorders, cable and satellite receivers 1994-07-26