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

John Rosenlof — 9 Patents

3C3Com: 7 patents #139 of 1,250Top 15%
TITexas Instruments: 2 patents #5,266 of 12,488Top 45%
Lemon Grove, CA: #35 of 630 inventorsTop 6%
California: #67,547 of 386,348 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
John Rosenlof has been granted 9 US patents while listed as an inventor at 3Com. The first was granted in 2000 and the most recent in May 2008. John Rosenlof ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list John Rosenlof in Lemon Grove, CA, US.

Patents per Year

Patents granted per year, 2000 to 2008Bar chart with a peak of 2 patents in 2004.peak 22000: 1 patents20002001: 1 patents20012002: 1 patents20022003: 1 patents20032004: 2 patents20042005: 1 patents20052007: 1 patents20072008: 1 patents2008

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7379514 Phase advance compensation for MIMO time-switch preamble modes Kirupairaj Asirvatham, Srikanth Gummadi 2008-05-27 $13,463,000
7184721 Transmit power control in a wireless communication device Kirupairaj Asirvatham 2007-02-27 $9,363,000
6898210 System and method for providing a local area network utilizing remote transceivers Yaqi Cheng, Richard G. C. Williams, A. Joseph Mueller 2005-05-24 $4,209,000
6785349 Correlation based method of determining frame boundaries of data frames that are periodically extended Kevin Smart, John B. Dougall, Jr. 2004-08-31 $2,703,000
6690666 Packet modulation for DSL Andrew L. Norrell, Dale M. Walsh, William Kurt Dobson, Richard G. C. Williams 2004-02-10 $5,730,000
6546056 Timing recovery in a multi-tone modem 2003-04-08 $6,663,000
6421376 Methods of using digital modem identification information Richard G. C. Williams 2002-07-16 $5,614,000
6317455 System and method for user information transfer before modem connection Richard G. C. Williams 2001-11-13 $8,085,000
6052411 Idle mode for digital subscriber line A. Joseph Mueller, Richard G. C. Williams 2000-04-18 $60,954,000