Portfolio comparison
Ampex Corp vs RCA Corp
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
RCA Corp
Patents indexed
2
Year range
1967 – 1977
Most recent
1977
consumer_electronicssemiconductorsmaterialsenergy
Top Patents2 enriched
US 3322485· 1967
How Liquid Crystal Displays (LCDs) Were Invented
US 4064521· 1977
How Amorphous Silicon Changed Solar Power
Activity by Decade
1960s1
1970s1
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