Portfolio comparison
Elisha G. Otis vs Nichia Chemical Industries Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 31128· 1861
How Elisha Otis Invented the Modern Safety Elevator
Activity by Decade
1860s1
Company B
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
How to use
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