Inventor
YOKOYAMA TOSHIAKI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA TOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NILES PARTS CO LTD
10 patentsUS6260431B1Jul 17, 2001
Construction of an on-vehicle lever switch
NILES PARTS CO LTD29 citations92
US5883348AMar 16, 1999
Switch mounting structure
NILES PARTS CO LTD33 citations92
US5859396AJan 12, 1999
Combination switch structure for vehicles
NILES PARTS CO LTD37 citations92
US5780794AJul 14, 1998
Composite switch lever for automobiles with mechanically-coupled switch knobs
NILES PARTS CO LTD38 citations92
US5670765ASep 23, 1997
Automotive lever switch
NILES PARTS CO LTD14 citations74
US6781072B2Aug 24, 2004
Construction of on-vehicle lever switch
NILES PARTS CO LTD9 citations73
US6624366B2Sep 23, 2003
Lever switch for vehicle
NILES PARTS CO LTD10 citations73
US6011225AJan 4, 2000
Construction of a lever switch for a vehicle
NILES PARTS CO LTD8 citations73
US5708240AJan 13, 1998
Slide switch contact structure
NILES PARTS CO LTD5 citations72
US5872343AFeb 16, 1999
Combination switch device having rotating connector
NILES PARTS CO LTD2 citations62
HITACHI LTD
5 patentsUS4201925AMay 6, 1980
Method for starting hydraulic turbine generator
HITACHI LTD13 citations74
US4292533ASep 29, 1981
Motoring control for hydraulic pump-turbine
HITACHI LTD3 citations63
US4474528AOct 2, 1984
Water wheel operation control method and apparatus therefor
HITACHI LTD6 citations62
US4267459AMay 12, 1981
Method of operating a hydraulic turbine or a pump-turbine
HITACHI LTD5 citations62
US4205942AJun 3, 1980
Hydraulic balancing apparatus for a hydraulic machine
HITACHI LTD6 citations62