Inventor
HIRAMATSU TAKEO
JP53 patents
⚠️ This page may combine multiple inventors who share the name “HIRAMATSU TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI MOTORS CORP
39 patentsUS4732253AMar 22, 1988
Power transmission
MITSUBISHI MOTORS CORP177 citations98
US4903551AFeb 27, 1990
Failsafe hydraulic control system for vehicle automatic transmission
MITSUBISHI MOTORS CORP53 citations96
US4727966AMar 1, 1988
Differential with differential motion limiting mechanism
MITSUBISHI MOTORS CORP80 citations96
US4719998AJan 19, 1988
Power transmission system for vehicle
MITSUBISHI MOTORS CORP65 citations96
US4665773AMay 19, 1987
Continuously variable transmission apparatus for automobile
MITSUBISHI MOTORS CORP66 citations96
US4468988ASep 4, 1984
Slip control system for a clutch
MITSUBISHI MOTORS CORP104 citations96
US4457411AJul 3, 1984
Torque transmission device
MITSUBISHI MOTORS CORP72 citations96
US4947330AAug 7, 1990
Method of input power on/off discrimination for an automatic vehicular transmission system
MITSUBISHI MOTORS CORP33 citations93
US4922424AMay 1, 1990
Control method for a driving system provided in a vehicle
MITSUBISHI MOTORS CORP35 citations93
US4775938AOct 4, 1988
System and method for controlling a power transmission of a vehicle
MITSUBISHI MOTORS CORP34 citations93
US4742732AMay 10, 1988
Automatic transmission system for a vehicle
MITSUBISHI MOTORS CORP34 citations93
US4513639AApr 30, 1985
Creeping preventing apparatus in automatic transmission for vehicle
MITSUBISHI MOTORS CORP34 citations93
US4466311AAug 21, 1984
Slip control system for a clutch
MITSUBISHI MOTORS CORP41 citations93
US4428467AJan 31, 1984
Friction clutch control device
MITSUBISHI MOTORS CORP54 citations93
US5370016ADec 6, 1994
Speed change control apparatus and method of an automotive automatic transmission
MITSUBISHI MOTORS CORP21 citations92
US4793216ADec 27, 1988
Control apparatus for automatic transmission gear system for vehicle
MITSUBISHI MOTORS CORP25 citations92
US4791568ADec 13, 1988
Method of controlling hydraulic pressure for an automatic transmission gear system
MITSUBISHI MOTORS CORP39 citations92
US4676336AJun 30, 1987
Power transmission apparatus for vehicle
MITSUBISHI MOTORS CORP46 citations92
US4558612ADec 17, 1985
Vehicular automatic speed change gear assembly
MITSUBISHI MOTORS CORP41 citations92
US4519273AMay 28, 1985
Automatic transmission for vehicles
MITSUBISHI MOTORS CORP35 citations92
US4943920AJul 24, 1990
Operation control method for a frictional engagement element
MITSUBISHI MOTORS CORP28 citations90
US4660697AApr 28, 1987
Slip clutch device control method
MITSUBISHI MOTORS CORP39 citations89
US5003842AApr 2, 1991
Control device for automatic transmission gear system
MITSUBISHI MOTORS CORP23 citations88
US5730683AMar 24, 1998
Shift control method for automatic transmission and apparatus thereof
MITSUBISHI MOTORS CORP18 citations84
US4984483AJan 15, 1991
Control system for an automatic transmission of a motor vehicle
MITSUBISHI MOTORS CORP21 citations82
US4732245AMar 22, 1988
Control apparatus for clutch torque in hydrodynamic power transmitting device
MITSUBISHI MOTORS CORP20 citations82
US4662488AMay 5, 1987
Control system for a clutch interposed between input and output shafts of hydrodynamic power transmitting device
MITSUBISHI MOTORS CORP21 citations82
US4506563AMar 26, 1985
Hydraulic control system for automatic transmission gear
MITSUBISHI MOTORS CORP26 citations82
US4947734AAug 14, 1990
Method of duty-ratio control for hydraulically actuated slip control lock-up clutch and transmission
MITSUBISHI MOTORS CORP21 citations80
US4829769AMay 16, 1989
Hydraulic transmission coupling apparatus
MITSUBISHI MOTORS CORP19 citations74
US4813307AMar 21, 1989
Method of controlling hydraulic pressure for an automatic transmission gear system
MITSUBISHI MOTORS CORP14 citations74
US4754403AJun 28, 1988
Hydraulic pressure control system of automatic transmissions for vehicle
MITSUBISHI MOTORS CORP13 citations74
US4538482ASep 3, 1985
Hydraulic control system in automatic transmission gear for 4 advance speeds
MITSUBISHI MOTORS CORP8 citations74
US4534244AAug 13, 1985
Automatic transmission gear system for vehicles
MITSUBISHI MOTORS CORP12 citations74
US4052930AOct 11, 1977
Electric and hydraulic servomechanism controlling device
MITSUBISHI MOTORS CORP11 citations74
US4995491AFeb 26, 1991
Power transmission apparatus
MITSUBISHI MOTORS CORP15 citations73
US4919248AApr 24, 1990
Drive coupling unit
MITSUBISHI MOTORS CORP9 citations73
US4881626ANov 21, 1989
Power transmission apparatus for vehicle of four-wheel drive type
MITSUBISHI MOTORS CORP3 citations63
US4980521ADec 25, 1990
Power transmission apparatus
MITSUBISHI MOTORS CORP4 citations62
JATCO LTD
6 patentsUS7833123B2Nov 16, 2010
Automatic transmission
JATCO LTD11 citations84
US7677997B2Mar 16, 2010
Double piston and belt type continuously variable transmission
JATCO LTD14 citations82
US8007399B2Aug 30, 2011
Automatic transmission
JATCO LTD2 citations63
US7914415B2Mar 29, 2011
Automatic transmission
JATCO LTD4 citations63
US7909725B2Mar 22, 2011
Automatic transmission
JATCO LTD0 citations52
US7909724B2Mar 22, 2011
Automatic transmission
JATCO LTD0 citations52
HIRAMATSU TAKEO
4 patentsUS5010786AApr 30, 1991
Automatic transmission control pressure regulator having speed sensitive valve arrangement
HIRAMATSU TAKEO17 citations81
US4561328ADec 31, 1985
Creeping preventing apparatus in automatic transmission for vehicle
HIRAMATSU TAKEO18 citations73
US8439794B2May 14, 2013
Automatic transmission
HIRAMATSU TAKEO0 citations51
US8202193B2Jun 19, 2012
Automatic transmission
HIRAMATSU TAKEO0 citations51
MITSUBISHI HEAVY IND LTD
1 patentShowing the top 50 of 53 patents by PatentIndex Score.