Portfolio comparison
Christopher Latham Sholes vs Epcos Pte Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Christopher Latham Sholes
Patents indexed
1
Year range
1878
Most recent
1878
consumer_electronicsmechanical
Top Patents1 enriched
US 207559· 1878
How the QWERTY Keyboard Layout Was Originally Designed
Activity by Decade
1870s1
Company B
Epcos Pte Ltd
Patents indexed
1
Year range
2011
Most recent
2011
consumer_electronicssemiconductorstelecommunications
Top Patents1 enriched
US RE42346· 2011
How Silicon Microphones Use Layers to Shrink Sound Sensors
Activity by Decade
2010s1
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