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

James Chen — 4 Patents

IBM: 4 patents #21,783 of 70,183Top 35%
San Jose, CA: #12,472 of 32,062 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
James Chen has been granted 4 US patents while listed as an inventor at IBM. The first was granted in 2004 and the most recent in March 2007. James Chen ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list James Chen in San Jose, CA, US.

Patents per Year

Patents granted per year, 2004 to 2007Bar chart with a peak of 2 patents in 2006.peak 22004: 1 patents20042006: 2 patents20062007: 1 patents2007

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7197663 Concurrent PPRC/FCP and host access to secondary PPRC/FCP device through independent error management Frederick James Carberry, II, Rufus-John Y. Twito, Richard A. Schaeffer, Kaukab Uddin 2007-03-27 $9,273,000
7117118 Efficient accumulation of performance statistics in a multi-port network Matthew J. Kalos, Michael T. Benhase, Patricia Ching Lu 2006-10-03 $4,350,000
7065623 Bandwidth utilization in a PPRC system Olympia Gluck, Gabriel Walder, Yelena Zilberstein, Warren K. Stanley, Edward H. Lin 2006-06-20 $5,983,000
6745262 Method, system, program, and data structure for queuing requests having different priorities Michael T. Benhase 2004-06-01 $8,295,000