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

Daniel Alfonsi

IHIo-Mega Holding: 4 patents #62 of 308Top 25%
Ramona, CA: #148 of 542 inventorsTop 30%
California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,269,517 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6583945 Method for irreversibly write-securing a magnetic storage cartridge Rafael Bar 2003-06-24
6445523 Readable indelible mark on storage media Fred Charles Thomas, III, Refael Bar, Dai Feng, Jeff G. Carter, Charlie M. Monroe, Jr. +2 more 2002-09-03
6317284 Head nudge and park peak current suppression Dai Feng 2001-11-13
6259575 Readable indelible mark on storage media Fred Charles Thomas, III, Refael Bar, Dai Feng, Jeff G. Carter, Charlie M. Monroe, Jr. +2 more 2001-07-10