Sayama; Masayuki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sayama; Masayuki.The latest application filed is for "power transmission device".
- Sayama; Masayuki - Tochigi JP
- SAYAMA; Masayuki - Tochigi-shi JP
- Sayama; Masayuki - Tochigi-ken JP
| Patent | Date |
|---|---|
| Hydraulic system Grant 8,820,504 - Sayama September 2, 2 | 2014-09-02 |
| Power transmission apparatus Grant 8,667,864 - Kenmotsu , et al. March 11, 2 | 2014-03-11 |
| Power transmission device Grant 8,616,087 - Sayama December 31, 2 | 2013-12-31 |
| Power Transmission Device App 20120266704 - SAYAMA; Masayuki | 2012-10-25 |
| Hydraulic System App 20120055753 - SAYAMA; Masayuki | 2012-03-08 |
| Reduction drive device Grant 7,990,004 - Aikawa , et al. August 2, 2 | 2011-08-02 |
| Electromagnetic clutch Grant 7,845,479 - Ochiai , et al. December 7, 2 | 2010-12-07 |
| Electromagnetic clutch apparatus Grant 7,815,029 - Sayama October 19, 2 | 2010-10-19 |
| Magnetic-path member, electromagnetic coupling device using magnetic-path member, and method of manufacturing magnetic-path member Grant 7,592,890 - Aikawa , et al. September 22, 2 | 2009-09-22 |
| Reduction Drive Device App 20090160274 - Aikawa; Masashi ; et al. | 2009-06-25 |
| Electromagnetic Clutch App 20080251344 - Ochiai; Tomiaki ; et al. | 2008-10-16 |
| Electromagnetic clutch apparatus App 20080190726 - Sayama; Masayuki | 2008-08-14 |
| Power transmission apparatus App 20080113843 - Kenmotsu; Kazuto ; et al. | 2008-05-15 |
| Magnetic-path member, electromagnetic coupling device using magnetic-path member, and method of manufacturing magnetic-path member App 20060144666 - Aikawa; Masashi ; et al. | 2006-07-06 |
| Motor power train and method of assembling the same App 20060014602 - Sayama; Masayuki | 2006-01-19 |
| Motor power train and method of assembling the same Grant 6,969,333 - Sayama November 29, 2 | 2005-11-29 |
| Wet type friction clutch and electromagnetic clutch Grant 6,719,110 - Ishikawa , et al. April 13, 2 | 2004-04-13 |
| Motor power train and method of assembling the same App 20030054913 - Sayama, Masayuki | 2003-03-20 |
| Wet type friction clutch and electromagnetic clutch App 20030015385 - Ishikawa, Yasuhiko ; et al. | 2003-01-23 |
| Power transmission apparatus Grant 6,413,183 - Ishikawa , et al. July 2, 2 | 2002-07-02 |
| Viscous coupling Grant 4,940,123 - Sayama July 10, 1 | 1990-07-10 |
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