Inventor
MARUTA NAOYUKI
JP3 patents
Patents
3 patentsUS6711944B2Mar 30, 2004
Method of testing assembled internal combustion engine
TOYOTA MOTOR CO LTD19 citations90
US6236213B1May 22, 2001
Method and apparatus for inspecting spark plug while spark plug is installed in engine
TOYOTA MOTOR CO LTD21 citations90
US6481269B2Nov 19, 2002
Method of testing assembled internal combustion engine
TOYOTA MOTOR CO LTD11 citations71