Portfolio comparison
PPG Industries vs Apple
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
PPG Industries
Patents indexed
1
Year range
1981
Most recent
1981
chemicalenergymanufacturingmaterialsindustrial_process
Top Patents1 enriched
US 4253922· 1981
How a Special Carbon-Fluorine Catalyst Makes Chlorine and Caustic Soda
Activity by Decade
1980s1
Company B
Apple
Patents indexed
2
Year range
2021
Most recent
2021
consumer_electronicssoftwaretelecommunicationsmechanicalaugmented_reality
Top Patents2 enriched
US 10942571· 2021
How Laptops Create Localized Vibrations on Their Surfaces
US 20210117042
How Devices Detect Touch Using Heat Signatures
Activity by Decade
2020s1
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