Portfolio comparison
Rohm Co Ltd vs ELECTRO STRING INSTR CORP
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Rohm Co Ltd
Patents indexed
1
Year range
2024
Most recent
2024
semiconductorsconsumer_electronicsautomotive
Top Patents1 enriched
US RE49912· 2024
How Rohm Designs Compact Semiconductor Packages for Better Heat Management
Activity by Decade
2020s1
Company B
ELECTRO STRING INSTR CORP
Patents indexed
1
Year range
1937
Most recent
1937
consumer_electronicsmechanical
Top Patents1 enriched
US 2089171· 1937
How the Frying Pan Guitar Created the Electric Guitar
Activity by Decade
1930s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.