Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RK

Roger Kumar — 22 Patents

Apple: 21 patents #1,550 of 18,612Top 9%
San Francisco, CA: #1,674 of 26,999 inventorsTop 7%
California: #25,951 of 386,348 inventorsTop 7%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Roger Kumar has been granted 22 US patents while listed as an inventor at Apple. The first was granted in 2007 and the most recent in November 2020. Roger Kumar ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Roger Kumar in San Francisco, CA, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10848762 Method for implementing a quantizer in a multimedia compression and encoding system Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2020-11-24
10104375 Method for implementing a quantizer in a multimedia compression and encoding system Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2018-10-16 $96,757,000
9819939 Method for implementing a quantizer in a multimedia compression and encoding system Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2017-11-14 $61,197,000
9137535 Method for implementing a quantizer in a multimedia compression and encoding system Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2015-09-15 $55,353,000
8737479 Encoding mode pruning during video encoding Thomas Pun, Hsi-Jung Wu 2014-05-27 $56,737,000
8526747 Efficient video encoding by preforming transform operations Maynard Handley, Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2013-09-03 $78,699,000
8451911 Adaptively post filtering encoded video Thomas Pun, Maynard Handley, Xiaochun Nie, Hsi-Jung Wu 2013-05-28 $91,700,000
8428127 Method of performing rate control for a compression system Xiaochun Nie, Thomas Pun, Hsi-Jung Wu 2013-04-23 $50,604,000
8325808 Encoding video Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2012-12-04 $95,898,000
8296348 Encoding and decoding data arrays Maynard Handley, Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2012-10-23 $97,186,000
8254459 Adaptive motion estimation Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2012-08-28 $72,244,000
8111752 Encoding mode pruning during video encoding Thomas Pun, Hsi-Jung Wu 2012-02-07 $178,312,000
8111751 Encoding video Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2012-02-07 $178,312,000
7944971 Encoding video Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2011-05-17 $221,987,000
7769084 Method for implementing a quantizer in a multimedia compression and encoding system Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2010-08-03 $79,316,000
7742525 Adaptive motion estimation Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2010-06-22 $188,003,000
7418037 Method of performing rate control for a compression system Xiaochun Nie, Thomas Pun, Hsi-Jung Wu 2008-08-26 $180,436,000
7412080 Adaptive motion estimation Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2008-08-12 $350,174,000
7391812 Adaptively post filtering encoded video Thomas Pun, Maynard Handley, Xiaochun Nie, Hsi-Jung Wu 2008-06-24 $456,142,000
7379956 Encoding and decoding data arrays Maynard Handley, Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2008-05-27 $370,351,000
7376280 Video encoding and decoding Maynard Handley, Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2008-05-20 $356,340,000
7239721 Adaptive motion estimation Thomas Pun, Xiaochun Nie, Hsi-Jung Wu 2007-07-03 $450,007,000