Portfolio comparison
Proterra vs HKC Co Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Proterra
Patents indexed
1
Year range
2021
Most recent
2021
automotiveenergysoftwaretelecommunications
Top Patents1 enriched
US 11027624· 2021
Smart Charging for Electric Vehicle Batteries Based on Chemistry and Use
Activity by Decade
2020s1
Company B
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
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