Portfolio comparison
Seiko Epson vs Immersion Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Seiko Epson
Patents indexed
1
consumer_electronicssemiconductorstelecommunicationsautomotiverobotics
Top Patents1 enriched
US 20110120221
How a Tiny Sensor Uses an Extra Weight to Detect Motion
Company B
Immersion Corp
Patents indexed
1
Year range
2014
Most recent
2014
consumer_electronicsmechanicalsoftware
Top Patents1 enriched
US 8898564· 2014
How Devices Give Haptic Feedback While You Hover Your Finger
Activity by Decade
2010s1
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