Portfolio comparison
Hitachi Automotive Systems vs Euro Celtique SA
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Hitachi Automotive Systems
Patents indexed
1
Year range
2016
Most recent
2016
automotiveenergyconsumer_electronicssoftwaretelecommunications
Top Patents1 enriched
US 9397374· 2016
How to Grade Used Batteries for a Second Life
Activity by Decade
2010s1
Top Patents1 enriched
US 5639476· 1997
How to Make Pill Coatings That Keep Medicine Stable Over Time
Activity by Decade
1990s1
How to use
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