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

Kazuo Nakashima

SCSansho Seiyaku Co.: 1 patents #1 of 2Top 50%
Overall (1989): #90,124 of 140,708Top 65%
1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4847074 Whitening cosmetic Shinkichi Hatae 1989-07-11