Inventor
TANAKA TOMOYUKI
JP84 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA TOMOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CONSTRUCTION MACHINERY
15 patentsUSD684598SJun 18, 2013
Hydraulic excavator
HITACHI CONSTRUCTION MACHINERY71 citations97
USD684599SJun 18, 2013
Hydraulic excavator
HITACHI CONSTRUCTION MACHINERY48 citations97
USD752112SMar 22, 2016
Excavator
HITACHI CONSTRUCTION MACHINERY35 citations93
USD684607SJun 18, 2013
Operator cab for construction machine
HITACHI CONSTRUCTION MACHINERY35 citations93
USD681066SApr 30, 2013
Hydraulic excavator
HITACHI CONSTRUCTION MACHINERY20 citations93
USD689529SSep 10, 2013
Console for construction machine
HITACHI CONSTRUCTION MACHINERY18 citations92
USD685006SJun 25, 2013
Cover for operator cab interior for construction machine with console box
HITACHI CONSTRUCTION MACHINERY33 citations92
USD684600SJun 18, 2013
Hydraulic excavator
HITACHI CONSTRUCTION MACHINERY34 citations92
USD681689SMay 7, 2013
Hydraulic excavator
HITACHI CONSTRUCTION MACHINERY28 citations92
US7537074B2May 26, 2009
Construction machine
HITACHI CONSTRUCTION MACHINERY20 citations92
US7287810B2Oct 30, 2007
Construction machine
HITACHI CONSTRUCTION MACHINERY24 citations92
USD752651SMar 29, 2016
Excavator
HITACHI CONSTRUCTION MACHINERY18 citations91
USD685007SJun 25, 2013
Seat for operator cab for construction machine
HITACHI CONSTRUCTION MACHINERY14 citations84
US7575272B2Aug 18, 2009
Construction machine
HITACHI CONSTRUCTION MACHINERY12 citations84
USD686251SJul 16, 2013
Cab tilt device for a construction machine
HITACHI CONSTRUCTION MACHINERY2 citations63
HITACHI LTD
14 patentsUS5417312AMay 23, 1995
Semiconductor acceleration sensor and vehicle control system using the same
HITACHI LTD161 citations98
US4466009AAug 14, 1984
Light-activated semiconductor device with optic fiber moveable azimuthally and transversely
HITACHI LTD31 citations93
US5274541ADec 28, 1993
Parallel circuit module including a diode and an IGBT
HITACHI LTD32 citations92
US5126806AJun 30, 1992
Lateral insulated gate bipolar transistor
HITACHI LTD14 citations74
US4089024AMay 9, 1978
Semiconductor switching device
HITACHI LTD11 citations74
US4040084AAug 2, 1977
Semiconductor device having high blocking voltage with peripheral circular groove
HITACHI LTD16 citations74
US3967308AJun 29, 1976
Semiconductor controlled rectifier
HITACHI LTD9 citations74
US5285094AFeb 8, 1994
Vertical insulated gate semiconductor device with less influence from the parasitic bipolar effect
HITACHI LTD14 citations73
US5216587AJun 1, 1993
Inverter
HITACHI LTD20 citations73
US5179034AJan 12, 1993
Method for fabricating insulated gate semiconductor device
HITACHI LTD18 citations73
US5032532AJul 16, 1991
Method for fabricating insulated gate semiconductor device
HITACHI LTD12 citations73
US4210464AJul 1, 1980
Method of simultaneously controlling the lifetimes and leakage currents in semiconductor devices by hot electron irradiation through passivating glass layers
HITACHI LTD14 citations72
US4201598AMay 6, 1980
Electron irradiation process of glass passivated semiconductor devices for improved reverse characteristics
HITACHI LTD14 citations72
US5670811ASep 23, 1997
Vertical insulated gate semiconductor device having high current density and high reliability
HITACHI LTD3 citations62
TOMY CO LTD
4 patentsKIMURA SHOGO
3 patentsHITACHI CONSTRUCTION MACHINERY TIERRA CO LTD
3 patentsUS10036136B2Jul 31, 2018
Small-sized hydraulic excavator
HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD5 citations72
US10458160B2Oct 29, 2019
Small-sized construction machine
HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD4 citations69
US10267017B2Apr 23, 2019
Small-sized construction machine
HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD2 citations69
KUBOTA KK
3 patentsAISIN AW CO
2 patentsRICOH KK
1 patentNIPPON SEIKI CO LTD
1 patentKIMURA SHOUGO
1 patentOLA ZHEILA L
1 patentMORI MUTSUHIRO
1 patentFUJIFILM CORP
1 patentShowing the top 50 of 84 patents by PatentIndex Score.