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Tsuboi; Akira
Shizuoka, JP
No. of patents:

Patent Number Title Of Patent Date Issued
8061498 Wet clutch friction plate November 22, 2011
A wet clutch friction plate is provided in which a plurality of oil channels (22) are formed in a friction material (21) bonded to one side face or opposite side faces of a core plate (20), the plurality of oil channels (22) providing communication between inner and outer peripheral
7934588 Torque damper May 3, 2011
A torque damper can comprise a clutch piston arranged within a cover of a torque converter and can be adapted to be moved between a connected position and a non-connected position relative to the cover. Damper springs can be arranged along the circumference of the clutch piston. Conn
7066312 Fluid transmitting system with lock-up clutch June 27, 2006
A fluid transmitting system includes a lock-up clutch whose clutch piston is disposed between a side cover connected to a pump impeller and a turbine runner. A Belleville spring for biasing the clutch piston to a clutch turning-on direction is mounted to a piston hub of the clutch pi

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