Portfolio comparison
Ampex Corp vs Novozymes North America Inc
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
Top Patents1 enriched
US RE50567· 2025
How Enzymes Help Turn Corn Into Ethanol More Efficiently
Activity by Decade
2020s1
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