Inventor

ISHIKAWA TAKAHARU

JP3 patents

Patents

3 patents

US6840736B2Jan 11, 2005

Vacuum pump

BOC TECHNOLOGIES LTD13 citations82

US6899529B2May 31, 2005

Connecting structure for vacuum pump

BOC TECHNOLOGIES LTD10 citations71

US6991439B2Jan 31, 2006

Vacuum pump

BOC TECHNOLOGIES LTD9 citations68