Inventor
OHTSU SHINKI
JP40 patents
⚠️ This page may combine multiple inventors who share the name “OHTSU SHINKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI KOKI KK
34 patentsUS7048075B2May 23, 2006
Power tool
HITACHI KOKI KK56 citations96
US5052500AOct 1, 1991
Vibroisolating handle joint structure for power tool
HITACHI KOKI KK79 citations96
US4936394AJun 26, 1990
Vibroisolating handle joint structure for power tool
HITACHI KOKI KK87 citations96
US6132354AOct 17, 2000
Automatic ball balancer for rotating machine
HITACHI KOKI KK57 citations95
US5199626AApr 6, 1993
Combustion gas powered tool
HITACHI KOKI KK64 citations94
US5090606AFeb 25, 1992
Combustion gas powered fastener driving tool
HITACHI KOKI KK60 citations94
US4913331AApr 3, 1990
Internal-combustion piston driving apparatus having a decompression channel
HITACHI KOKI KK119 citations94
US4773581ASep 27, 1988
Combustion gas powered tool
HITACHI KOKI KK117 citations94
US7455121B2Nov 25, 2008
Power tool
HITACHI KOKI KK24 citations92
US7416031B2Aug 26, 2008
Impact tool
HITACHI KOKI KK30 citations92
US7323796B2Jan 29, 2008
Motor-driven tool
HITACHI KOKI KK17 citations92
US7216723B2May 15, 2007
Pulse torque generator and power tool having the same
HITACHI KOKI KK29 citations92
US7213659B2May 8, 2007
Impact drill
HITACHI KOKI KK36 citations92
US7073605B2Jul 11, 2006
Impact drill
HITACHI KOKI KK33 citations92
US6338708B1Jan 15, 2002
Centrifuge with a suspension for locating the drive in an axial direction
HITACHI KOKI KK29 citations92
US7766096B2Aug 3, 2010
Electrical power tool
HITACHI KOKI KK34 citations91
US7721818B2May 25, 2010
Power tool having a vibration isolating handle
HITACHI KOKI KK21 citations91
US7171997B2Feb 6, 2007
Portable electric router having radial fan
HITACHI KOKI KK17 citations84
US7044090B2May 16, 2006
Combustion type power tool facilitating cleaning to internal cleaning target
HITACHI KOKI KK13 citations84
US6951194B2Oct 4, 2005
Combustion type power tool
HITACHI KOKI KK14 citations84
US6695195B2Feb 24, 2004
Combustion-powered nail gun
HITACHI KOKI KK14 citations84
US6661148B2Dec 9, 2003
Motor-driven tool
HITACHI KOKI KK15 citations83
US7658238B2Feb 9, 2010
Impact drill
HITACHI KOKI KK12 citations82
US7500587B2Mar 10, 2009
Combustion-type power tool
HITACHI KOKI KK6 citations74
US7194988B2Mar 27, 2007
Combustion-type power tool
HITACHI KOKI KK7 citations74
US7121442B2Oct 17, 2006
Combustion-type power tool
HITACHI KOKI KK9 citations74
US6779612B2Aug 24, 2004
Power tool having air discharge windows
HITACHI KOKI KK11 citations74
US8371034B2Feb 12, 2013
Dust collection cover attachable to cutter
HITACHI KOKI KK3 citations63
US7305940B2Dec 11, 2007
Combustion-type power tool having ignition proof arrangement
HITACHI KOKI KK4 citations63
US7261071B2Aug 28, 2007
Combustion type power tool facilitating cleaning to internal cleaning target
HITACHI KOKI KK4 citations63
US7883456B2Feb 8, 2011
Centrifugal machine having a vibration preventing mechanism
HITACHI KOKI KK3 citations62
US7789281B2Sep 7, 2010
Electrically driven flywheel-fastener driver
HITACHI KOKI KK4 citations62
US7093670B2Aug 22, 2006
Impact drill
HITACHI KOKI KK6 citations61
US7293541B2Nov 13, 2007
Combustion-type power tool having ignition proof arrangement
HITACHI KOKI KK0 citations42