Portfolio comparison
Ampex Corp vs Dhol New Ventures LLC
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Ampex Corp
Patents indexed
1
Year range
1960
Most recent
1960
consumer_electronicsmechanicaltelecommunications
Top Patents1 enriched
US 2956114· 1960
How Ampex Invented Modern Video Recording on Magnetic Tape
Activity by Decade
1960s1
Company B
Dhol New Ventures LLC
Patents indexed
1
Year range
2008
Most recent
2008
consumer_electronicsmechanical
Top Patents1 enriched
US RE40324· 2008
How a Handheld Thumb-Controlled Computer Mouse Works
Activity by Decade
2000s1
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