Portfolio comparison
Contemporary Amperex Technology Co vs Communications Services Corp Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 20240047988
Smartly Turning On and Off a Vehicle Battery Charger
Company B
Communications Services Corp Inc
Patents indexed
1
Year range
1973
Most recent
1973
telecommunicationssemiconductorsconsumer_electronics
Top Patents1 enriched
US 3713148· 1973
How Radio Frequency Identification (RFID) Tags Were Invented
Activity by Decade
1970s1
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