Portfolio comparison
Phillips Screw Co vs Harman International Industries Canada Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Phillips Screw Co
Patents indexed
1
Year range
1936
Most recent
1936
mechanicalautomotiveconsumer_electronics
Top Patents1 enriched
US 2046343· 1936
The Invention of the Phillips Head Screw
Activity by Decade
1930s1
Company B
Harman International Industries Canada Ltd
Patents indexed
1
Year range
2012
Most recent
2012
consumer_electronicssoftwaretelecommunications
Top Patents1 enriched
US 8168877· 2012
How to Automatically Generate Musical Harmonies from Audio
Activity by Decade
2010s1
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