Inventor
TSUKAMOTO KAZUMASA
JP122 patents
⚠️ This page may combine multiple inventors who share the name “TSUKAMOTO KAZUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AISIN AW CO
45 patentsUS5846155ADec 8, 1998
Vehicular drive unit
AISIN AW CO357 citations99
US6478101B1Nov 12, 2002
Drive unit for hybrid vehicle
AISIN AW CO79 citations98
US6935450B1Aug 30, 2005
Hybrid vehicle driving device
AISIN AW CO58 citations96
US6269895B1Aug 7, 2001
Hybrid drive system
AISIN AW CO144 citations96
US6176802B1Jan 23, 2001
Vehicular automatic transmission
AISIN AW CO71 citations96
US6120410ASep 19, 2000
Automatic transmission for vehicle
AISIN AW CO62 citations96
US6110069AAug 29, 2000
Automatic transmission for vehicle
AISIN AW CO55 citations96
US6098005AAug 1, 2000
Vehicle transmission controller for changing gear ratios in accordance with road features
AISIN AW CO79 citations96
US5911646AJun 15, 1999
Control apparatus for automatic transmission
AISIN AW CO55 citations96
US5771478AJun 23, 1998
Vehicle drive system with electrical power regeneration
AISIN AW CO72 citations96
US5735376AApr 7, 1998
Automatic transmission for vehicles
AISIN AW CO65 citations96
US5669846ASep 23, 1997
Continuously variable transmission with control of switching between a high mode and a low mode
AISIN AW CO61 citations96
US7174978B2Feb 13, 2007
Hybrid drive unit, and front-engine/rear-drive type automobile having the hybrid drive unit mounted thereon
AISIN AW CO25 citations93
US6128565AOct 3, 2000
Hydraulic control system for automatic transmission
AISIN AW CO35 citations93
US6068576AMay 30, 2000
Hydraulic control system for automatic transmission
AISIN AW CO38 citations93
US5931885AAug 3, 1999
Hydraulic control system for an automatic transmission
AISIN AW CO26 citations93
US5800308ASep 1, 1998
Pressure control of hydraulic servos while in gear at a stopped neutral state
AISIN AW CO27 citations93
US5762172AJun 9, 1998
Hydraulic power transmission unit
AISIN AW CO22 citations93
US5649880AJul 22, 1997
Failsafe control system for automatic transmission
AISIN AW CO27 citations93
US5630772AMay 20, 1997
Control method and control system for automatic transmission
AISIN AW CO29 citations93
US5501645AMar 26, 1996
Control system for vehicular automatic transmissions with a quick-shift hydraulic system for manual shifting
AISIN AW CO29 citations93
US5368531ANov 29, 1994
Control method of and system thereof for inversely proportionally raising and lowering servo hydraulic pressure, based on input torque, for engaging and disengaging frictional elements in automatic transmission
AISIN AW CO24 citations93
US5334114AAug 2, 1994
Control system for servo hydraulic pressure in vehicular automatic transmission
AISIN AW CO27 citations93
US5191814AMar 9, 1993
Speed change control system in automatic transmission
AISIN AW CO27 citations93
US5069657ADec 3, 1991
Automatic transmission
AISIN AW CO29 citations93
US6464610B1Oct 15, 2002
Hydraulic pressure control apparatus for automatic transmission
AISIN AW CO25 citations92
US6361468B1Mar 26, 2002
Automatic transmission
AISIN AW CO18 citations92
US6302822B1Oct 16, 2001
Hydraulic control system of automatic transmission
AISIN AW CO27 citations92
US6146308ANov 14, 2000
Creep torque control of infinitely variable transmission
AISIN AW CO30 citations92
US6135912AOct 24, 2000
Automatic transmission for a vehicle
AISIN AW CO47 citations92
US5964335AOct 12, 1999
Parking device for automatic transmission
AISIN AW CO31 citations92
US5961419AOct 5, 1999
Lubricant control apparatus for automatic transmission
AISIN AW CO33 citations92
US5961418AOct 5, 1999
Infinitely variable transmission
AISIN AW CO41 citations92
US5890988AApr 6, 1999
Automatic transmission for vehicle with reverse gear brake
AISIN AW CO22 citations92
US5782711AJul 21, 1998
Hydraulic pressure control apparatus for an automatic transmission
AISIN AW CO49 citations92
US5741200AApr 21, 1998
Control apparatus for an automatic transmission
AISIN AW CO22 citations92
US5692990ADec 2, 1997
Automatic transmission control apparatus
AISIN AW CO39 citations92
US5690576ANov 25, 1997
Continuously variable transmission with control of switching between forward and reverse
AISIN AW CO34 citations92
US5505673AApr 9, 1996
Control system for automatic transmissions
AISIN AW CO21 citations92
US5935041AAug 10, 1999
Automatic transmission with anti-rollback band brake pressure control
AISIN AW CO22 citations91
US5175999AJan 5, 1993
Torque converter device with lubricating washer on turbine hub
AISIN AW CO24 citations91
US5951433ASep 14, 1999
Automatic transmission
AISIN AW CO32 citations90
US5842950ADec 1, 1998
Control apparatus for automatic transmissions
AISIN AW CO20 citations89
US6553868B2Apr 29, 2003
Gear supporting structure and hybrid driving unit employing gear supporting structure
AISIN AW CO19 citations84
US6139471AOct 31, 2000
Control system for automatic transmission
AISIN AW CO18 citations84
TOYOTA MOTOR CO LTD
2 patentsAISIN WARNER
2 patentsAISIN AW LTD CO
1 patentShowing the top 50 of 122 patents by PatentIndex Score.