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USPTO Patent Rankings Data through Dec 31, 2025
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Marcus H. Barnes — 2 Patents

RRRead Rite: 2 patents #140 of 255Top 55%
Felton, CA: #82 of 158 inventorsTop 55%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Marcus H. Barnes has been granted 2 US patents while listed as an inventor at Read Rite. The first was granted in 2000 and the most recent in January 2001. Marcus H. Barnes ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Marcus H. Barnes in Felton, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6181673 Slider design Jeffrey P. Wilde, Joseph E. Davis, Jimmy Shen 2001-01-30 $10,038,000
6130863 Slider and electro-magnetic coil assembly Yugang Wang, Jimmy Shen, Howie Trang 2000-10-10 $9,145,000