Portfolio comparison
ELECTRO STRING INSTR CORP vs Freescale Semiconductor
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
Freescale Semiconductor
Patents indexed
2
Year range
2013
Most recent
2013
consumer_electronicstelecommunicationssemiconductorssoftwareautomotive
Top Patents2 enriched
US 8387464· 2013
Combining Sealed and Exposed Sensors on One Microchip
US 8487387· 2013
How to Combine Pressure and Motion Sensors on One Tiny Chip
Activity by Decade
2010s2
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.