Yamaguchi; Zenzo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yamaguchi; Zenzo.The latest application filed is for "porous sound-absorbing board".
- Yamaguchi; Zenzo - Hyogo JP
- Yamaguchi; Zenzo - Kobe JP
- YAMAGUCHI; Zenzo - Kobe-shi JP
| Patent | Date |
|---|---|
| Porous sound-absorbing board Grant 11,021,871 - Yamaguchi , et al. June 1, 2 | 2021-06-01 |
| Construction machine Grant 10,352,279 - Yamaguchi , et al. July 16, 2 | 2019-07-16 |
| Porous Sound-absorbing Board App 20190112805 - YAMAGUCHI; Zenzo ; et al. | 2019-04-18 |
| Porous sound absorbing structure Grant 10,229,665 - Yamagiwa , et al. | 2019-03-12 |
| Construction machine including engine Grant 10,156,059 - Tabuchi , et al. Dec | 2018-12-18 |
| Construction Machine App 20180156167 - YAMAGUCHI; Zenzo ; et al. | 2018-06-07 |
| Engine hood Grant 9,744,921 - Yamaguchi , et al. August 29, 2 | 2017-08-29 |
| Sound insulating structure Grant 9,564,118 - Yamagiwa , et al. February 7, 2 | 2017-02-07 |
| Engine Hood App 20170001579 - YAMAGUCHI; Zenzo ; et al. | 2017-01-05 |
| Construction Machine Including Engine App 20160356018 - TABUCHI; Satoshi ; et al. | 2016-12-08 |
| Porous Sound Absorbing Structure App 20160351180 - YAMAGIWA; Ichiro ; et al. | 2016-12-01 |
| Porous sound absorbing structure Grant 9,453,336 - Yamagiwa , et al. September 27, 2 | 2016-09-27 |
| Construction machine Grant 9,347,202 - Nakashima , et al. May 24, 2 | 2016-05-24 |
| Sound Insulating Structure App 20160012811 - YAMAGIWA; Ichiro ; et al. | 2016-01-14 |
| Damping structure Grant 9,121,466 - Tsugihashi , et al. September 1, 2 | 2015-09-01 |
| Porous Sound Absorbing Structure App 20150211226 - Yawagiwa; Ichiro ; et al. | 2015-07-30 |
| Construction machine Grant 9,027,676 - Nakashima , et al. May 12, 2 | 2015-05-12 |
| Sound absorption panel Grant 8,887,864 - Sugimoto , et al. November 18, 2 | 2014-11-18 |
| Construction Machine App 20140151143 - Nakashima; Hajime ; et al. | 2014-06-05 |
| Construction Machine App 20140144717 - Nakashima; Hajime ; et al. | 2014-05-29 |
| Sound Absorption Panel App 20130264147 - Sugimoto; Akio ; et al. | 2013-10-10 |
| Damping Structure App 20120024645 - Tsugihashi; Kazuki ; et al. | 2012-02-02 |
| Damping Structure App 20120024646 - Tsugihashi; Kazuki ; et al. | 2012-02-02 |
| Porous sound absorbing structure App 20100175949 - Yamaguchi; Zenzo ; et al. | 2010-07-15 |
| Sound absorbing structure Grant 7,654,364 - Yamaguchi , et al. February 2, 2 | 2010-02-02 |
| Vibration Reducing Bracket App 20090267276 - Sugimoto; Akio ; et al. | 2009-10-29 |
| Sound Absorbing Structure App 20080128201 - Yamaguchi; Zenzo ; et al. | 2008-06-05 |
| Silencer Grant 7,325,474 - Yoshimura , et al. February 5, 2 | 2008-02-05 |
| Porous Sound Absorbing Structure App 20070272482 - Yamaguchi; Zenzo ; et al. | 2007-11-29 |
| Sound absorbing structure App 20070017739 - Yamagiwa; Ichiro ; et al. | 2007-01-25 |
| Sound absorbing structure body and producing method thereof App 20060289229 - Yamaguchi; Zenzo | 2006-12-28 |
| Sound-absorbing structure body App 20060131104 - Yamaguchi; Zenzo ; et al. | 2006-06-22 |
| Sound-absorbing structure using thin film App 20060096183 - Yamaguchi; Zenzo ; et al. | 2006-05-11 |
| Silencer App 20050126382 - Yoshimura, Shoji ; et al. | 2005-06-16 |
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