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

Ritsuko Hayakawa

OCOtsuka Pharmaceutical Co.: 1 patents #681 of 1,273Top 55%
Overall (All Time): #3,745,501 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5527492 Cosmetic and detergent product comprising hinokitiol and a mixture of anionic surfactant and amphoteric surfactant 1996-06-18