Individual holder
HEDGCOTH VIRGLE L
US·4 granted patents·167 citations·filing 1988–1992
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0197US4894133AMethod and apparatus making magnetic recording diskHEDGCOTH VIRGLE L·Filed 1988·Granted Jan 16, 1990·117 cites·27 claims
- 0275US5073245ASlotted cylindrical hollow cathode/magnetron sputtering deviceHEDGCOTH VIRGLE L·Filed 1990·Granted Dec 17, 1991·29 cites·9 claims
- 0367US5082747AMagnetic recording disk and sputtering process and apparatus for producing sameHEDGCOTH VIRGLE L·Filed 1990·Granted Jan 21, 1992·13 cites·24 claims
- 0453US5316864ASputtered magnetic recording diskHEDGCOTH VIRGLE L·Filed 1992·Granted May 31, 1994·8 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →