Portfolio comparison
HKC Co Ltd vs Sikorsky Aircraft Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
HKC Co Ltd
Patents indexed
1
Year range
2025
Most recent
2025
consumer_electronicssemiconductorsmechanical
Top Patents1 enriched
US 12354567· 2025
How Foldable Screens Use Electrochromic Layers to Improve Color and Contrast
Activity by Decade
2020s1
Top Patents1 enriched
US 1994488· 1935
Igor Sikorsky's Early Design for a Vertical Takeoff Aircraft
Activity by Decade
1930s1
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