Inventor
MATSUOKA YOSHIHIRO
JP62 patents
⚠️ This page may combine multiple inventors who share the name “MATSUOKA YOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EXEDY CORP
31 patentsUS5846153ADec 8, 1998
Clutch apparatus having planetary gear mechanism
EXEDY CORP58 citations96
US6035989AMar 14, 2000
Clutch-actuated piston structure
EXEDY CORP43 citations93
US5669475ASep 23, 1997
Torque convertor
EXEDY CORP40 citations93
US6247568B1Jun 19, 2001
Friction member for disk assembly, especially for torque converter
EXEDY CORP33 citations92
US6023836AFeb 15, 2000
Method of forming a shaft fixing aperture in a plate-like carrying member
EXEDY CORP26 citations89
US5967929AOct 19, 1999
Multiple disk clutch
EXEDY CORP24 citations89
US6264018B1Jul 24, 2001
Lockup device of a torque converter
EXEDY CORP23 citations86
US11745577B2Sep 5, 2023
Torque converter
EXEDY CORP4 citations75
US6286648B1Sep 11, 2001
Lockup device of a torque converter
EXEDY CORP8 citations74
US5927418AJul 27, 1999
Power transmission device in a fluid pressure accumulating hybrid vehicle
EXEDY CORP15 citations74
US5881556AMar 16, 1999
Stator and stator support structure for torque convertor
EXEDY CORP15 citations74
US5857914AJan 12, 1999
Configuration for connecting outer radial portions of disk portions of a damper disk assembly
EXEDY CORP8 citations74
US5609231AMar 11, 1997
Torsional vibration dampening apparatus and lock-up clutch mechanism for a torque converter
EXEDY CORP7 citations74
US11485217B2Nov 1, 2022
Drive unit and power transmission device
EXEDY CORP3 citations73
US11161406B2Nov 2, 2021
Power transmission device for vehicle
EXEDY CORP2 citations73
US10724600B2Jul 28, 2020
Dynamic vibration absorber
EXEDY CORP3 citations73
US11920663B2Mar 5, 2024
Drive unit
EXEDY CORP0 citations63
US11913531B1Feb 27, 2024
Drive unit
EXEDY CORP1 citations63
US11434979B2Sep 6, 2022
Drive unit
EXEDY CORP0 citations63
US11285798B2Mar 29, 2022
Drive system
EXEDY CORP1 citations63
US11131373B2Sep 28, 2021
Torque converter
EXEDY CORP1 citations63
US11035450B2Jun 15, 2021
Drive unit
EXEDY CORP0 citations63
US6286647B1Sep 11, 2001
Lockup device of a torque converter
EXEDY CORP3 citations63
US12560219B2Feb 24, 2026
Drive unit and transmission device
EXEDY CORP0 citations52
US12498040B2Dec 16, 2025
Power transmission device
EXEDY CORP0 citations52
US12438416B2Oct 7, 2025
Drive unit with selectively engageable torque converter and reducer
EXEDY CORP0 citations52
US12117071B2Oct 15, 2024
Drive unit
EXEDY CORP0 citations52
US12109876B2Oct 8, 2024
Drive unit
EXEDY CORP0 citations52
US12018748B2Jun 25, 2024
Drive unit
EXEDY CORP0 citations52
US11994196B2May 28, 2024
Drive unit
EXEDY CORP0 citations52
US11635129B2Apr 25, 2023
Torque converter and drive unit
EXEDY CORP0 citations52
DAIKIN MFG CO LTD
3 patentsUS5400884AMar 28, 1995
Torque convertor
DAIKIN MFG CO LTD41 citations93
US5386896AFeb 7, 1995
Torsional vibration damping device and lock-up clutch in torque converter
DAIKIN MFG CO LTD24 citations93
US5513731AMay 7, 1996
Torsional vibration damping device of torque converter
DAIKIN MFG CO LTD17 citations74
EMIT SEIKO CO LTD
3 patentsUS5461689AOct 24, 1995
Apparatus for and method of polishing optical connectors
EMIT SEIKO CO LTD28 citations90
US5412747AMay 2, 1995
Apparatus for and method of polishing optical connectors
EMIT SEIKO CO LTD21 citations90
US5845029ADec 1, 1998
Optical connector having means for positioning tilted convex surface of ferrule
EMIT SEIKO CO LTD12 citations71
TOTOKU ELECTRIC
2 patentsUS5559916ASep 24, 1996
Method for manufacturing optical fiber assembly with polished end-face, an end face polishing apparatus, and a method for examining the end point of end-face polishing process of optical fiber
TOTOKU ELECTRIC38 citations90
US5463709AOct 31, 1995
End-face polished ferrule and its method of manufacture
TOTOKU ELECTRIC35 citations90
MATSUOKA YOSHIHIRO
2 patentsKAWAHARA YUKI
2 patentsCANON KK
2 patentsCKD CORP
1 patentEMIT SEIKOCO LTD
1 patentFUJITSU MICROELECTRONICS LTD
1 patentAOKI TATSUYUKI
1 patentFUJITSU SEMICONDUCTOR LTD
1 patentShowing the top 50 of 62 patents by PatentIndex Score.