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

Yasukazu Kowari

Overall (All Time): #3,613,152 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6054048 Water purification apparatus Hisashi Kaeriyama 2000-04-25