Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Daniel S. Kwoh — 61 Patents

GDGemstar Development: 26 patents #2 of 29Top 7%
ISIndex Systems: 24 patents #2 of 36Top 6%
EGE Guide: 3 patents #4 of 10Top 40%
UPUnited Video Properties: 1 patents #113 of 191Top 60%
Lomita, CA: #1 of 637 inventorsTop 1%
California: #5,709 of 386,348 inventorsTop 2%
Overall (All Time): #37,626 of 4,157,543Top 1%
61 Patents All Time
Daniel S. Kwoh has been granted 61 US patents while listed as an inventor at Gemstar Development. The first was granted in 1993 and the most recent in June 2015. Daniel S. Kwoh ranks #37,626 of 4,157,543 US inventors in our database (top 0.91%). Patent records list Daniel S. Kwoh in Lomita, CA, US.

Patents per Year

Patents granted per year, 1993 to 2015Bar chart with a peak of 9 patents in 2000.peak 91993: 3 patents19931994: 2 patents1995: 2 patents19951996: 5 patents1998: 2 patents19981999: 4 patents2000: 9 patents20002001: 5 patents2002: 8 patents20022003: 4 patents2004: 2 patents20042005: 1 patents2007: 1 patents20072009: 2 patents2010: 2 patents20102011: 1 patents2012: 5 patents20122014: 2 patents2015: 1 patents2015

Issued Patents All Time

Showing 1–25 of 61 patents

Patent #TitleCo-InventorsDate
9055341 Combination of recorded program index and EPG Henry C. Yuen, Roy J. Mankovitz, Elsie Y. Leung 2015-06-09
8914828 System and method for grazing television channels from an electronic program guide Henry C. Yuen, Roy J. Mankovitz, Elsie Y. Leung 2014-12-16
8631434 Method and apparatus for transmitting and downloading setup information Henry C. Yuen, Allen Chang 2014-01-14
8296807 Method and apparatus for transmitting and downloading setup information Henry C. Yuen, Allen Chang 2012-10-23
8272011 Method and system for displaying advertisements between schedule listings Henry C. Yuen, Roy J. Mankovitz, Elsie Y. Leung 2012-09-18
8233773 Apparatus and method using compressed codes for scheduling broadcast information recording Henry C. Yuen 2012-07-31
8134645 Combination of recorded program index and EPG Henry C. Yuen, Roy J. Mankovitz, Elsie Y. Leung 2012-03-13
8122471 Method and apparatus for transmitting and downloading setup information Henry C. Yuen, Allen Chang 2012-02-21
7996864 Method and apparatus for displaying television programs and related text Henry C. Yuen, Roy J. Mankovitz, Elsie Y. Leung 2011-08-09
RE41993 Apparatus and method for improved parental control of television use Henry C. Yuen, Roy J. Mankovitz 2010-12-07
7663700 Combination of recorded program index and EPG Henry C. Yuen, Roy J. Mankovitz, Elsie Y. Leung 2010-02-16
7594243 System and method for grazing television channels from an electronic program guide Henry C. Yuen, Roy J. Mankovitz, Elsie Y. Leung 2009-09-22
7499628 Enhancing operations of video tape cassette players Henry C. Yuen, Roy J. Mankovitz, Carl Hindman, Hing Y. Ngai, Yee Kong Ng +1 more 2009-03-03
7239798 Apparatus and method using compressed codes for scheduling broadcast information recording Henry C. Yuen 2007-07-03
6868226 Apparatus and methods for voice titles Henry C. Yuen 2005-03-15
6701060 Enhancing operations of video tape cassette players Henry C. Yuen, Roy J. Mankovitz, Carl Hindman, Hing Y. Ngai, Yee Kong Ng +1 more 2004-03-02
6687906 EPG with advertising inserts Henry C. Yuen, Roy J. Mankovitz, Elsie Y. Leung 2004-02-03
6668133 Apparatus and method using compressed codes for scheduling broadcast information recording Henry C. Yuen 2003-12-23
6606747 System and method for grazing television channels from an electronic program guide Henry C. Yuen, Roy J. Mankovitz, Elsie Y. Leung 2003-08-12
6583825 Method and apparatus for transmitting and downloading setup information Henry C. Yuen, Allen Chang 2003-06-24
6526576 Program guide for DBS and cable TV 2003-02-25
6487362 Enhancing operations of video tape cassette players Henry C. Yuen, Roy J. Mankovitz, Carl Hindman, Hing Y. Ngai 2002-11-26
6477705 Method and apparatus for transmitting, storing, and processing electronic program guide data for on-screen display Henry C. Yuen, Roy J. Mankovitz, Elsie Y. Leung 2002-11-05
6466734 Apparatus and method using compressed codes for scheduling broadcast information recording Henry C. Yuen 2002-10-15
6463206 Television and video cassette recorder system with an electronic program guide Henry C. Yuen 2002-10-08