Portfolio comparison
Nichia Chemical Industries Ltd vs ELECTRO STRING INSTR CORP
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Nichia Chemical Industries Ltd
Patents indexed
1
Year range
1996
Most recent
1996
semiconductorsconsumer_electronicsenergy
Top Patents1 enriched
US 5563422· 1996
How Nichia Created the First Practical Blue LED Electrodes
Activity by Decade
1990s1
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
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