KO

Katsuaki Ogawa

NC Nippon Piston Ring Co.: 1 patents #2 of 7Top 30%
Overall (2004): #181,126 of 270,089Top 70%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6698763 Piston ring Minako Chinou 2004-03-02