Portfolio comparison
ELECTRO STRING INSTR CORP vs Google
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
ELECTRO STRING INSTR CORP
Patents indexed
1
Year range
1937
Most recent
1937
consumer_electronicsmechanical
Top Patents1 enriched
US 2089171· 1937
How the Frying Pan Guitar Created the Electric Guitar
Activity by Decade
1930s1
Company B
Patents indexed
2
Year range
2025
Most recent
2025
ai_mlsoftwaretelecommunicationsconsumer_electronicsquantum_computing
Top Patents2 enriched
US 12443890· 2025
How Devices Train Shared AI Models While Keeping Your Data Private
US 20240296359
How Quantum Computers Learn to Sort Data
Activity by Decade
2020s1
How to use
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