Portfolio comparison
Wham O Manufacturing Co vs Rohm Co Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Wham O Manufacturing Co
Patents indexed
1
Year range
1967
Most recent
1967
mechanicalconsumer_electronics
Top Patents1 enriched
US 3359678· 1967
How the Modern Frisbee Design Works
Activity by Decade
1960s1
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
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