Inventor
YOKOTA TAKAYOSHI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “YOKOTA TAKAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
19 patentsUS7355528B2Apr 8, 2008
Traffic information providing system and car navigation system
HITACHI LTD98 citations98
US6721650B2Apr 13, 2004
Method of presuming traffic conditions by using floating car data and system for presuming and presenting traffic conditions by using floating data
HITACHI LTD52 citations96
US6657558B2Dec 2, 2003
Broadcasting system, broadcast receiving hardware systems, and navigation terminal
HITACHI LTD69 citations96
US7155322B2Dec 26, 2006
Vehicle information collection system and method thereof
HITACHI LTD76 citations95
US5335180AAug 2, 1994
Method and apparatus for controlling moving body and facilities
HITACHI LTD99 citations94
US7894981B2Feb 22, 2011
Traffic information providing system and car navigation system
HITACHI LTD26 citations92
US7636630B2Dec 22, 2009
Traffic information prediction device with day-factors and day factor classifications
HITACHI LTD24 citations92
US7536254B2May 19, 2009
Traffic information estimating system
HITACHI LTD23 citations92
US6759970B1Jul 6, 2004
Broadcasting system, broadcast receiving hardware systems, and navigation terminal
HITACHI LTD45 citations92
US6708085B2Mar 16, 2004
Probe car control method and traffic control system
HITACHI LTD52 citations92
US6546330B2Apr 8, 2003
Method of presuming traffic conditions by using floating car data and system for presuming and presenting traffic conditions by using floating data
HITACHI LTD33 citations92
US6433704B1Aug 13, 2002
Communication device of moving body information and communication method thereof
HITACHI LTD20 citations91
US4964056AOct 16, 1990
Automatic design system of logic circuit
HITACHI LTD33 citations91
US7899612B2Mar 1, 2011
Traffic information estimating system
HITACHI LTD14 citations83
US7577513B2Aug 18, 2009
Traffic information prediction system
HITACHI LTD8 citations83
US4937755AJun 26, 1990
Production system for an expert system
HITACHI LTD20 citations81
US7991549B2Aug 2, 2011
Traffic information system based on travel history
HITACHI LTD3 citations62
US7983837B2Jul 19, 2011
Display method of navi-server and navigation
HITACHI LTD4 citations62
US5065335ANov 12, 1991
Decoding type select logic generating method
HITACHI LTD6 citations62
KUMAGAI GUMI CO LTD
4 patentsUS4856754AAug 15, 1989
Concrete form shuttering having double woven fabric covering
KUMAGAI GUMI CO LTD65 citations92
US4848973AJul 18, 1989
Grout material and grouting method using same
KUMAGAI GUMI CO LTD25 citations90
US4787597ANov 29, 1988
Cloth faced form for forming concrete
KUMAGAI GUMI CO LTD39 citations89
US4730805AMar 15, 1988
Form for forming concrete
KUMAGAI GUMI CO LTD43 citations89