TI

Taro Itoh

NC Nippon Piston Ring Co.: 1 patents #2 of 12Top 20%
TO Toyota: 1 patents #241 of 903Top 30%
Overall (2003): #110,427 of 273,478Top 45%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6547251 Ring groove for oil ring with coil expander of piston Hideshi Hitosugi, Nobuyuki Murakami 2003-04-15