Inventor

TAMATSU KOICHI

JP3 patents

Patents

3 patents

US6736565B2May 18, 2004

Ball joint and assembling method therefor

NHK SPRING CO LTD21 citations85

US7896983B2Mar 1, 2011

Hollow stabilizer and method of manufacturing the same

NHK SPRING CO LTD8 citations81

US6871865B2Mar 29, 2005

Hollow stabilizer

NHK SPRING CO LTD3 citations60