AO

Akifumi Ozeki

YC Yamada Manufacturing Co.: 2 patents #1 of 21Top 5%
📍 Kiryu City, JP: #4 of 41 inventorsTop 10%
Overall (2022): #181,294 of 548,613Top 35%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11537152 Control valve 2022-12-27
11255249 Valve device Toshihito Nagai 2022-02-22