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

Yoichiro Kagawa — 1 Patent in 2021

UNUnknown: 1 patents #344 of 3,329Top 15%
Koshigaya, JP: #4 of 14 inventorsTop 30%
Overall (2021): #199,864 of 548,734Top 40%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10940618 Apparatus for producing microporous plastic film Seiji Kagawa 2021-03-09