Portfolio comparison
George Westinghouse, Jr. vs Rohm Co Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 88929· 1869
George Westinghouse's Original Steam-Powered Train Brake
Activity by Decade
1860s1
Company B
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
How to use
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