Portfolio comparison
PPG Industries vs STMicroelectronics SRL
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
STMicroelectronics SRL
Patents indexed
1
Year range
2020
Most recent
2020
consumer_electronicssemiconductorstelecommunicationsautomotivemedical
Top Patents1 enriched
US 10578505· 2020
How to Build a Tiny Pressure Sensor Inside a Silicon Chip
Activity by Decade
2020s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.