Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RP

Robert H. Peirce

STSeagate Technology: 2 patents #1,946 of 4,626Top 45%
CPConner Peripherals: 1 patents #45 of 131Top 35%
Del Mar, CA: #330 of 784 inventorsTop 45%
California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,638,009 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5729890 Method of making an arcuate scan tape drive John M. Rottenburg, Joseph Lin, Richard K. Milo, Michael Kenneth Andrews 1998-03-24
5690293 Belt drive mechanism for a tape drive Hans Graafmans 1997-11-25
5585978 Arcuate scan tape drive John M. Rottenburg, Joseph Lin, Richard K. Milo, Michael Kenneth Andrews 1996-12-17