Inventor

KITAZAWA SHIGEO

JP3 patents

Patents

3 patents

US6916011B2Jul 12, 2005

Ball valve and production method therefor

KITZ CORP10 citations69

US7234682B2Jun 26, 2007

Ball valve and method for production thereof

KITZ CORP4 citations58

USD459787SJul 2, 2002

Ball valve

KITZ CORP4 citations58