Portfolio comparison
Carter Wallace Inc vs Nippon Telegraph and Telephone Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Carter Wallace Inc
Patents indexed
1
Year range
1989
Most recent
1989
consumer_electronicsmaterials
Top Patents1 enriched
US 4810490· 1989
How to Make Clear, Waterproof Sunscreen That Doesn't Feel Greasy
Activity by Decade
1980s1
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.