Portfolio comparison
AST Research Inc vs Mitsubishi Heavy Industries
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 5754176· 1998
How Interactive Pop-up Help Windows Work in Computer Interfaces
Activity by Decade
1990s1
Company B
Mitsubishi Heavy Industries
Patents indexed
1
Year range
2015
Most recent
2015
energymechanicalaerospacematerials
Top Patents1 enriched
US 8932024· 2015
Wind Turbine Blades with Noise-Reducing Serrated Edges
Activity by Decade
2010s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.