Inventor
MATSUMOTO NORIHISA
JP34 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMOTO NORIHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOMATSU MFG CO LTD
17 patentsUS6938701B2Sep 6, 2005
Blade for working machine, and construction and earth-moving machine with the blade
KOMATSU MFG CO LTD53 citations96
USD477610SJul 22, 2003
Blade for a bulldozer
KOMATSU MFG CO LTD62 citations96
US5293944AMar 15, 1994
Method of automatically controlling impact ripper
KOMATSU MFG CO LTD56 citations96
US5620053AApr 15, 1997
Blade apparatus and its control method in bulldozer
KOMATSU MFG CO LTD53 citations95
US7191846B2Mar 20, 2007
Blade for work machine, and construction and earth-moving machine provided with the same blade
KOMATSU MFG CO LTD24 citations92
USD534929SJan 9, 2007
Blade for construction machinery
KOMATSU MFG CO LTD20 citations92
US7013983B2Mar 21, 2006
Blade mounting structure of bulldozer
KOMATSU MFG CO LTD25 citations92
USD478098SAug 5, 2003
Blade for bulldozer
KOMATSU MFG CO LTD25 citations92
US5799737ASep 1, 1998
Blade apparatus and its control method in bulldozer
KOMATSU MFG CO LTD23 citations91
US7690441B2Apr 6, 2010
Blade device for working machine and working machine mounting blade device
KOMATSU MFG CO LTD19 citations84
US7654336B2Feb 2, 2010
Work machine blade device and work machine including the same
KOMATSU MFG CO LTD11 citations84
US7445053B2Nov 4, 2008
Ripping device for an earthmoving machine
KOMATSU MFG CO LTD13 citations84
US7401658B2Jul 22, 2008
Blade for work machine, and construction and earth-moving machine provided with the same blade
KOMATSU MFG CO LTD15 citations84
USD538307SMar 13, 2007
Blade for construction machinery
KOMATSU MFG CO LTD15 citations84
US7083002B2Aug 1, 2006
Blade mounting structure of bulldozer
KOMATSU MFG CO LTD8 citations74
US5094017AMar 10, 1992
Direct driven type shock ripper device
KOMATSU MFG CO LTD16 citations74
US7810581B2Oct 12, 2010
Blade apparatus for work machine and work machine having the same
KOMATSU MFG CO LTD5 citations63
HITACHI LTD
5 patentsUS6701132B1Mar 2, 2004
Mobile communication system, mobile station, and base station that calculates distance from mobile station
HITACHI LTD74 citations97
US6134431AOct 17, 2000
Personal station authentication system and authentication method
HITACHI LTD68 citations96
US7764680B2Jul 27, 2010
Communication system and call control server
HITACHI LTD21 citations92
US7009950B1Mar 7, 2006
Mobile IP network system and connection switching method
HITACHI LTD19 citations84
US7512688B2Mar 31, 2009
PPPoE network system that can distribute connection requests from PPPoE client terminals to specific PPPoE servers
HITACHI LTD9 citations83