Oyamada; Yasuyuki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Oyamada; Yasuyuki.The latest application filed is for "arm for excavation machine".
- Oyamada; Yasuyuki - Chikugo JP
- Oyamada; Yasuyuki - Fukuoka JP
- Oyamada; Yasuyuki - Okayama JP
| Patent | Date |
|---|---|
| Upper rotating body for an excavator Grant D688,713 - Seino , et al. August 27, 2 | 2013-08-27 |
| Excavator Grant D685,394 - Nagata , et al. July 2, 2 | 2013-07-02 |
| Boom for excavation machine Grant 7,958,693 - Oyamada , et al. June 14, 2 | 2011-06-14 |
| Excavating machine Grant 7,874,392 - Nobayashi , et al. January 25, 2 | 2011-01-25 |
| Excavation machine Grant 7,857,083 - Oyamada , et al. December 28, 2 | 2010-12-28 |
| Arm for Excavation Machine App 20090129908 - Oyamada; Yasuyuki ; et al. | 2009-05-21 |
| Excavation Machine App 20090104011 - Oyamada; Yasuyuki ; et al. | 2009-04-23 |
| Excavator Grant D590,847 - Yonekura , et al. April 21, 2 | 2009-04-21 |
| Excavating Machine App 20090084003 - Nobayashi; Takafumi ; et al. | 2009-04-02 |
| Boom for Excavation Machine App 20090078667 - Oyamada; Yasuyuki ; et al. | 2009-03-26 |
| Extremely-small-swing working machine Grant 6,729,831 - Kawamura , et al. May 4, 2 | 2004-05-04 |
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