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

Ryuichi Hangai

Overall (2016): #242,837 of 481,213Top 55%
1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9474352 Mascara brush and manufacturing method thereof Yasushi Uchiyama 2016-10-25