Portfolio comparison
GTE Laboratories Inc vs Nippon Telegraph and Telephone Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
GTE Laboratories Inc
Patents indexed
1
Year range
1990
Most recent
1990
ai_mlsoftwaresemiconductors
Top Patents1 enriched
US 4914603· 1990
How to Speed Up Neural Network Training Using Momentum
Activity by Decade
1990s1
Company B
Nippon Telegraph and Telephone Corp
Patents indexed
1
Year range
2025
Most recent
2025
ai_mlmechanicalconsumer_electronics
Top Patents1 enriched
US 12211234· 2025
How Computers Track the Position and Angle of Multiple Objects
Activity by Decade
2020s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.