Portfolio comparison
Nichia Chemical Industries Ltd vs Prodigy Services Co
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
Prodigy Services Co
Patents indexed
1
Year range
1994
Most recent
1994
telecommunicationssoftwareecommerceconsumer_electronics
Top Patents1 enriched
US 5347632· 1994
Prodigy's System for Interactive Online Information and Shopping
Activity by Decade
1990s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.