Portfolio comparison
Nippon Telegraph and Telephone Corp vs Energy Partners Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
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
Top Patents1 enriched
US 5346778· 1994
Boosting Fuel Cell Power for Vehicles Using Oxygen Injection
Activity by Decade
1990s1
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