RK

Ryohei Kumagai

AC Advance Co.: 1 patents #1 of 2Top 50%
📍 Kodaira, JP: #18 of 52 inventorsTop 35%
Overall (1982): #32,369 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4325191 Coffee roaster Kazuo Maruta 1982-04-20