Portfolio comparison
William F. Semple vs PSemi Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 98304· 1869
William Semple's 1869 Patent for Improved Chewing Gum
Activity by Decade
1860s1
Company B
PSemi Corp
Patents indexed
1
Year range
2022
Most recent
2022
semiconductorstelecommunicationsconsumer_electronics
Top Patents1 enriched
US RE48965· 2022
How to Stop Transistors from Wearing Out in Radio Frequency Chips
Activity by Decade
2020s1
How to use
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