MO

Motonobu Onoda

NC Nippon Piston Ring Co.: 1 patents #2 of 12Top 20%
Overall (2003): #152,554 of 273,478Top 60%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6631907 Nitride-plated piston ring for internal combustion engines Katsuaki Ogawa, Kazuo Shimizu 2003-10-14