Portfolio comparison
James L. Plimpton vs Koninklijke Philips NV
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
James L. Plimpton
Patents indexed
1
Year range
1863
Most recent
1863
mechanicalconsumer_electronics
Top Patents1 enriched
US 37305· 1863
How James Plimpton Invented the Modern Roller Skate
Activity by Decade
1860s1
Company B
Koninklijke Philips NV
Patents indexed
2
Year range
2023
Most recent
2023
softwaretelecommunicationsconsumer_electronicsai_ml
Top Patents2 enriched
US 11544411· 2023
How to Check if an AI Model Has Been Tampered With
US 11743673· 2023
Smart Speaker System Adapts Sound Based on Speaker Placement
Activity by Decade
2020s2
How to use
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