Portfolio comparison
William F. Semple vs Marvell Asia Pte
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
Marvell Asia Pte
Patents indexed
1
Year range
2022
Most recent
2022
telecommunicationssemiconductorsconsumer_electronics
Top Patents1 enriched
US 11355900· 2022
How to Build a Compact Optical Transmitter for Data Networks
Activity by Decade
2020s1
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