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Patent applications and USPTO patent grants for Tokumasu; Jun.The latest application filed is for "wet friction plate".
Patent | Date |
---|---|
Wet friction plate Grant 9,139,167 - Tokumasu , et al. September 22, 2 | 2015-09-22 |
Plate element, and friction clutch device and brake device provided with the plate element Grant 8,967,340 - Tokumasu , et al. March 3, 2 | 2015-03-03 |
Wet Friction Plate App 20140110199 - Tokumasu; Jun ;   et al. | 2014-04-24 |
Plate Element, And Friction Clutch Device And Brake Device Provided With The Plate Element App 20130015025 - Tokumasu; Jun ;   et al. | 2013-01-17 |
Wet Type Multi-plate Friction Clutch App 20120298463 - Tokumasu; Jun ;   et al. | 2012-11-29 |
Return spring for clutch Grant 5,911,295 - Itonaga , et al. June 15, 1 | 1999-06-15 |
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