Inventor

KAWASAKI YOSHIMITSU

JP4 patents

Patents

4 patents

US5601149AFeb 11, 1997

Noise reduction mechanism for percussion tools

HITACHI KOKI KK88 citations94

US5090606AFeb 25, 1992

Combustion gas powered fastener driving tool

HITACHI KOKI KK60 citations94

US6863135B2Mar 8, 2005

Electric power tool

HITACHI KOKI KK15 citations90

US6619410B2Sep 16, 2003

Electric power tool

HITACHI KOKI KK4 citations60