Portfolio comparison
Toshiba Corp vs PPG Industries
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Toshiba Corp
Patents indexed
1
Year range
1999
Most recent
1999
semiconductorsconsumer_electronics
Top Patents1 enriched
US 5903495· 1999
How Multi-Level Cell Memory Stores More Data in Less Space
Activity by Decade
1990s1
Company B
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
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