KO

Katsuaki Ogawa

NC Nippon Piston Ring Co.: 1 patents #3 of 12Top 25%
Overall (2016): #334,629 of 481,213Top 70%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9506138 Piston ring Hiroyuki Sugiura, Atsushi Chiba, Makoto Kajiwara, Kazuhiro Fujimura, Kazuhiro Sameshima 2016-11-29