Portfolio comparison
Nippon Telegraph and Telephone Corp vs Electrolux Servel Corp
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 1781541· 1930
How Albert Einstein and Leo Szilard Designed a Silent Refrigerator
Activity by Decade
1930s1
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