HI

Hideyo Iwama

NC Nippon Piston Ring Co.: 1 patents #2 of 7Top 30%
📍 Tochigi, JP: #79 of 263 inventorsTop 35%
Overall (2004): #210,078 of 270,089Top 80%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6726218 Compression piston ring for use in internal combustion engine Hideo Negishi, Hideshi Hitosugi 2004-04-27