Inventor
MURAKAMI NAOHIDE
JP6 patents
Patents
6 patentsUS7534076B2May 19, 2009
Core bit
MAX CO LTD8 citations82
US7204321B2Apr 17, 2007
Concrete drill
MAX CO LTD9 citations69
US7241087B2Jul 10, 2007
Core bit
MAX CO LTD3 citations61
US7568529B2Aug 4, 2009
Drill tool
MAX CO LTD5 citations60
US7308949B2Dec 18, 2007
Concrete drill
MAX CO LTD4 citations58
US8047193B2Nov 1, 2011
Non-core drill bit
MAX CO LTD1 citations50