Portfolio comparison
James Industries Inc vs Tokyo Shibaura Electric Co Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
James Industries Inc
Patents indexed
1
Year range
1947
Most recent
1947
mechanicalconsumer_electronics
Top Patents1 enriched
US 2415012· 1947
How the Slinky Toy Works
Activity by Decade
1940s1
Company B
Tokyo Shibaura Electric Co Ltd
Patents indexed
1
Year range
1985
Most recent
1985
semiconductorsconsumer_electronics
Top Patents1 enriched
US 4531203· 1985
How Flash Memory Cells Use an Erase Gate to Clear Data
Activity by Decade
1980s1
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