Tsuruga; Yasutaka
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsuruga; Yasutaka.The latest application filed is for "work machine".
Company Profile
20.46.53
- Tsuruga; Yasutaka - Ryugasaki JP
- TSURUGA; Yasutaka - Ryugasaki-shi JP
- Tsuruga; Yasutaka - Ryuugasaki JP
- TSURUGA; Yasutaka - Ryuugasaki-shi JP
- Tsuruga; Yasutaka - Tsuchiura JP
- Tsuruga; Yasutaka - Ibaraki JP
- Tsuruga; Yasutaka - Moriyama JP
- TSURUGA; Yasutaka - Tsuchiura-shi JP
- TSURUGA; Yasutaka - Moriyama-shi JP
- - Moriyama JP
- Tsuruga; Yasutaka - Osaka JP
- Tsuruga, Yasutaka - Osaka-shi JP
- Tsuruga, Yasutaka - Shiga JP
Patent Activity
| Patent | Date |
|---|---|
| Work machine Grant 11,454,004 - Kumagai , et al. September 27, 2 | 2022-09-27 |
| Work Machine App 20220298752 - KUMAGAI; Kento ; et al. | 2022-09-22 |
| Work Machine App 20220290406 - KUMAGAI; Kento ; et al. | 2022-09-15 |
| Work machine Grant 11,391,020 - Ishii , et al. July 19, 2 | 2022-07-19 |
| Hydraulic drive apparatus Grant 11,377,822 - Takahashi , et al. July 5, 2 | 2022-07-05 |
| Work Machine App 20220154741 - ISHII; Hiroki ; et al. | 2022-05-19 |
| Construction machine Grant 11,230,821 - Kanazawa , et al. January 25, 2 | 2022-01-25 |
| Construction machine Grant 11,193,254 - Moriki , et al. December 7, 2 | 2021-12-07 |
| Hydraulic Drive Apparatus App 20210340731 - TAKAHASHI; Kiwamu ; et al. | 2021-11-04 |
| Construction machine Grant 11,149,413 - Ishihara , et al. October 19, 2 | 2021-10-19 |
| Work machine with automatic and manual operating control Grant 11,149,410 - Kumagai , et al. October 19, 2 | 2021-10-19 |
| Construction Machine App 20210317636 - KANAZAWA; Akira ; et al. | 2021-10-14 |
| Vehicular brake system Grant 11,124,166 - Tanaka , et al. September 21, 2 | 2021-09-21 |
| Construction Machine App 20210262200 - MORIKI; Hidekazu ; et al. | 2021-08-26 |
| Work Machine App 20210254309 - KUMAGAI; Kento ; et al. | 2021-08-19 |
| Construction machine Grant 10,995,475 - Hijikata , et al. May 4, 2 | 2021-05-04 |
| Hydraulic drive system Grant 10,907,666 - Hijikata , et al. February 2, 2 | 2021-02-02 |
| Work Machine App 20210002868 - KUMAGAI; Kento ; et al. | 2021-01-07 |
| Hydraulic Drive System App 20200232488 - HIJIKATA; Seiji ; et al. | 2020-07-23 |
| Vehicular Brake System App 20200189541 - TANAKA; Takaaki ; et al. | 2020-06-18 |
| Construction machine Grant 10,633,825 - Moriki , et al. | 2020-04-28 |
| Control system for construction machine Grant 10,626,575 - Kobayashi , et al. | 2020-04-21 |
| Control system for hydraulic construction machine Grant 10,604,914 - Moriki , et al. | 2020-03-31 |
| Construction Machine App 20200032485 - HIJIKATA; Seiji ; et al. | 2020-01-30 |
| Construction machine to adjust operation reaction force of an operating lever Grant 10,533,303 - Tsuchie , et al. Ja | 2020-01-14 |
| Brake System App 20200010060 - TANAKA; Takaaki ; et al. | 2020-01-09 |
| Construction Machine App 20190345697 - ISHIHARA; Shinji ; et al. | 2019-11-14 |
| Construction Machine App 20190338494 - MORIKI; Hidekazu ; et al. | 2019-11-07 |
| Control system for construction machine Grant 10,450,722 - Moriki , et al. Oc | 2019-10-22 |
| Construction machine Grant 10,450,725 - Kobayashi , et al. Oc | 2019-10-22 |
| Construction machine Grant 10,435,870 - Narikawa , et al. O | 2019-10-08 |
| Hydraulic control system for working machine Grant 10,400,797 - Udagawa , et al. Sep | 2019-09-03 |
| Construction machine Grant 10,329,739 - Hoshino , et al. | 2019-06-25 |
| Hydraulic drive system for working machine including track device of crawler type Grant 10,287,751 - Mori , et al. | 2019-05-14 |
| Construction machine Grant 10,273,658 - Hijikata , et al. | 2019-04-30 |
| Hydraulic drive system for construction machine Grant 10,215,198 - Takahashi , et al. Feb | 2019-02-26 |
| Control System For Hydraulic Construction Machine App 20180355583 - MORIKI; Hidekazu ; et al. | 2018-12-13 |
| Control System For Construction Machine App 20180347150 - MORIKI; Hidekazu ; et al. | 2018-12-06 |
| Construction Machine App 20180305898 - KOBAYASHI; Hiroyuki ; et al. | 2018-10-25 |
| Hydraulic drive system for construction machine Grant 10,107,311 - Takahashi , et al. October 23, 2 | 2018-10-23 |
| Construction Machine App 20180266083 - NARIKAWA; Ryu ; et al. | 2018-09-20 |
| Construction Machine App 20180223500 - TSUCHIE; Yoshiyuki ; et al. | 2018-08-09 |
| Hydraulic drive system for construction machine Grant 9,976,283 - Tsuruga , et al. May 22, 2 | 2018-05-22 |
| Control System for Construction Machine App 20180119386 - KOBAYASHI; Hiroyuki ; et al. | 2018-05-03 |
| Construction Machine App 20180106018 - HOSHINO; Masatoshi ; et al. | 2018-04-19 |
| Hydraulic Control System for Working Machine App 20180073525 - UDAGAWA; Tsutomu ; et al. | 2018-03-15 |
| Hydraulic drive system for construction machine Grant 9,890,801 - Takahashi , et al. February 13, 2 | 2018-02-13 |
| Hydraulic drive system for construction machine Grant 9,845,589 - Tsuruga , et al. December 19, 2 | 2017-12-19 |
| Construction Machine App 20170284064 - HIJIKATA; Seiji ; et al. | 2017-10-05 |
| Hydraulic Drive System For Working Machine Including Track Device Of Crawler Type App 20160376769 - MORI; Kazushige ; et al. | 2016-12-29 |
| Hydraulic Drive System For Construction Machine App 20160333900 - TAKAHASHI; Kiwamu ; et al. | 2016-11-17 |
| Hydraulic Drive System For Construction Machine App 20160265561 - TAKAHASHI; Kiwamu ; et al. | 2016-09-15 |
| Hydraulic Drive System For Construction Machine App 20160258133 - TSURUGA; Yasutaka ; et al. | 2016-09-08 |
| Electric drive unit for construction machine Grant 9,347,203 - Tsuruga , et al. May 24, 2 | 2016-05-24 |
| Hydraulic Drive System For Construction Machine App 20160115974 - Takahashi; Kiwamu ; et al. | 2016-04-28 |
| Hydraulic Drive System for Construction Machine App 20150377258 - TAKAHASHI; Kiwamu ; et al. | 2015-12-31 |
| Hydraulic drive system for construction machine Grant 9,200,431 - Mori , et al. December 1, 2 | 2015-12-01 |
| Electric drive unit for construction machine Grant 9,187,880 - Tsuruga , et al. November 17, 2 | 2015-11-17 |
| Hydraulic Drive System for Construction Machine App 20150204054 - Tsuruga; Yasutaka ; et al. | 2015-07-23 |
| Hydraulic drive system for construction machine having exhaust gas purification device Grant 08919109 - | 2014-12-30 |
| Hydraulic drive system for construction machine having exhaust gas purification device Grant 8,919,109 - Takahashi , et al. December 30, 2 | 2014-12-30 |
| Hydraulic drive system for construction machine Grant 8,857,169 - Takahashi , et al. October 14, 2 | 2014-10-14 |
| Electric Drive Unit For Construction Machine App 20140052350 - Tsuruga; Yasutaka ; et al. | 2014-02-20 |
| Electric Drive Unit For Construction Machine App 20140046552 - Tsuruga; Yasutaka ; et al. | 2014-02-13 |
| Hydraulic Drive System For Working Machine Including Track Device Of Crawler Type App 20130287601 - Mori; Kazushige ; et al. | 2013-10-31 |
| Hydraulic Drive System For Construction Machine Having Exhaust Gas Purification Device App 20130227936 - Takahashi; Kiwamu ; et al. | 2013-09-05 |
| Hybrid System For Construction Machine App 20130152573 - Tsuruga; Yasutaka ; et al. | 2013-06-20 |
| Construction machine Grant 8,413,676 - Umizaki , et al. April 9, 2 | 2013-04-09 |
| Hydraulic Drive System For Construction Machine App 20130055705 - Mori; Kazushige ; et al. | 2013-03-07 |
| Hydraulic Drive System For Construction Machine App 20120031088 - Takebayashi; Yoshifumi ; et al. | 2012-02-09 |
| Hydraulic Drive System For Construction Machine App 20110173964 - Takahashi; Kiwamu ; et al. | 2011-07-21 |
| Construction Machine App 20100236642 - Umizaki; Yuuki ; et al. | 2010-09-23 |
| Swivel joint for construction machine Grant 7,798,738 - Kawamoto , et al. September 21, 2 | 2010-09-21 |
| Hydraulic Drive Device App 20090113887 - Takahashi; Kiwamu ; et al. | 2009-05-07 |
| Hydraulic Drive System App 20090031719 - Tsuruga; Yasutaka ; et al. | 2009-02-05 |
| Swivel joint for construction machine App 20070024052 - Kawamoto; Junya ; et al. | 2007-02-01 |
| Winding and cutting machine for rolled paper Grant 6,915,980 - Tsuruga July 12, 2 | 2005-07-12 |
| Hydraulic driving device Grant 6,772,590 - Tsuruga , et al. August 10, 2 | 2004-08-10 |
| Hydraulic drive device Grant 6,651,428 - Takahashi , et al. November 25, 2 | 2003-11-25 |
| Winding and cutting machine for rolled paper App 20030164420 - Tsuruga, Yasutaka | 2003-09-04 |
| Hydraulic drive device App 20030097836 - Takahashi, Kiwamu ; et al. | 2003-05-29 |
| Hydraulic driving device Grant 6,526,747 - Nakatani , et al. March 4, 2 | 2003-03-04 |
| Hydraulic driving device App 20030019209 - Tsuruga, Yasutaka ; et al. | 2003-01-30 |
| Hydraulic drive system App 20020157389 - Tsuruga, Yasutaka ; et al. | 2002-10-31 |
| Hydraulic driving device App 20020134227 - Nakatani, Kenichiro ; et al. | 2002-09-26 |
| Hydraulic drive device Grant 6,408,622 - Tsuruga , et al. June 25, 2 | 2002-06-25 |
| Hydraulic driving unit Grant 6,397,591 - Tsuruga , et al. June 4, 2 | 2002-06-04 |
| Hydraulic drive apparatus Grant 6,192,681 - Tsuruga , et al. February 27, 2 | 2001-02-27 |
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