Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JS

Joseph Sonnenberg — 4 Patents

RLRaychem Limited: 4 patents #171 of 928Top 20%
San Jose, CA: #12,320 of 32,062 inventorsTop 40%
California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,305,265 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4644066 Flame retardants and compositions containing them 1987-02-17
4581396 Flame retardants and compositions containing them 1986-04-08
4535170 Flame retardants and compositions containing them 1985-08-13
4374220 Imide flame retardants and compositions containing them 1983-02-15