Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Robert J. Kwok — 2 Patents

Puunene, HI: #1 of 1 inventorsTop 100%
Hawaii: #729 of 2,560 inventorsTop 30%
Overall (All Time): #2,249,171 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5902409 Process of manufacturing crystal sugar from an aqueous sugar juice such as cane juice or sugar beet juice Xavier Lancrenon, Marc-Andre Theoleyre 1999-05-11
5554227 Process of manufacturing crystal sugar from an aqueous sugar juice such as cane juice or sugar beet juice Xavier Lancrenon, Marc-Andre Theoleyre 1996-09-10