Inventor
SAMESHIMA SHUJI
JP4 patents
Patents
4 patentsUS6213474B1Apr 10, 2001
Piston ring and combination of compression rings
NIPPON PISTON RING CO LTD17 citations82
US5433001AJul 18, 1995
Method of producing piston ring
NIPPON PISTON RING CO LTD7 citations72
US5405154AApr 11, 1995
Piston ring
NIPPON PISTON RING CO LTD12 citations72
US5292381AMar 8, 1994
Piston ring and process for manufacturing the same
NIPPON PISTON RING CO LTD1 citations51