Hijikata; Seiji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hijikata; Seiji.The latest application filed is for "hydraulic drive apparatus".
Company Profile
24.35.37
- Hijikata; Seiji - Tsukuba JP
- HIJIKATA; Seiji - Tsukuba-shi Ibaraki
- Hijikata; Seiji - Tsukaba JP
- HIJIKATA; Seiji - Tsukaba-shi JP
- HIJIKATA; Seiji - Tsuchiura-shi JP
- Hijikata; Seiji - Tuskuba JP
- HIJIKATA; Seiji - Tuskuba-shi JP
- Hijikata; Seiji - Kasumigaura N/A JP
- Hijikata; Seiji - Tsuchiura JP
- Hijikata; Seiji - Kasumigaura-shi JP
- Hijikata; Seiji - Tsushima JP
- Hijikata; Seiji - Aichi JP
Patent Activity
| Patent | Date |
|---|---|
| Hydraulic drive apparatus Grant 11,377,822 - Takahashi , et al. July 5, 2 | 2022-07-05 |
| Hydraulic Drive Apparatus App 20210340731 - TAKAHASHI; Kiwamu ; et al. | 2021-11-04 |
| Hydraulic energy recovery apparatus for working machine Grant 11,149,753 - Takahashi , et al. October 19, 2 | 2021-10-19 |
| Hydraulic work machine Grant 11,105,070 - Hoshino , et al. August 31, 2 | 2021-08-31 |
| Hydraulic Energy Recovery Apparatus for Working Machine App 20210131452 - TAKAHASHI; Kiwamu ; et al. | 2021-05-06 |
| 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 Grant 10,801,532 - Ogawa , et al. October 13, 2 | 2020-10-13 |
| Work machine hydraulic control system Grant 10,794,044 - Ogawa , et al. October 6, 2 | 2020-10-06 |
| Work machine Grant 10,787,790 - Imura , et al. September 29, 2 | 2020-09-29 |
| Work machine Grant 10,760,246 - Hijikata , et al. Sep | 2020-09-01 |
| Hydraulic Drive System App 20200232488 - HIJIKATA; Seiji ; et al. | 2020-07-23 |
| Hydraulic Work Machine App 20200190773 - HOSHINO; Masatoshi ; et al. | 2020-06-18 |
| Work Machine Hydraulic Control System App 20200173145 - OGAWA; Yuichi ; et al. | 2020-06-04 |
| Hydraulic fluid energy regeneration apparatus of work machine Grant 10,584,722 - Hijikata , et al. | 2020-03-10 |
| Work Machine App 20200056349 - HIJIKATA; Seiji ; et al. | 2020-02-20 |
| Construction Machine App 20200032485 - HIJIKATA; Seiji ; et al. | 2020-01-30 |
| Construction machine Grant 10,526,767 - Hijikata , et al. J | 2020-01-07 |
| Hydraulic energy regeneration system for work machine Grant 10,526,768 - Hijikata , et al. J | 2020-01-07 |
| Hydraulic drive system for work machine Grant 10,436,229 - Hijikata , et al. O | 2019-10-08 |
| Hydraulic drive system of work machine Grant 10,364,550 - Amano , et al. | 2019-07-30 |
| Hydraulic Drive System for work machine Grant 10,344,458 - Hijikata , et al. July 9, 2 | 2019-07-09 |
| Construction machine Grant 10,329,739 - Hoshino , et al. | 2019-06-25 |
| Work Machine App 20190186106 - OGAWA; Yuichi ; et al. | 2019-06-20 |
| Hydraulic drive system for work machine Grant 10,301,793 - Hijikata , et al. | 2019-05-28 |
| Hydraulic energy regeneration system for work machine Grant 10,280,594 - Hijikata , et al. | 2019-05-07 |
| Hydraulic fluid energy regeneration device for work machine Grant 10,280,593 - Hijikata , et al. | 2019-05-07 |
| Construction machine Grant 10,273,658 - Hijikata , et al. | 2019-04-30 |
| Hydraulic drive system for work machine Grant 10,227,997 - Hijikata , et al. | 2019-03-12 |
| Construction machinery Grant 10,221,871 - Imura , et al. | 2019-03-05 |
| Hydraulic Energy Regeneration System for Work Machine App 20190063039 - HIJIKATA; Seiji ; et al. | 2019-02-28 |
| Hydraulic fluid energy recovery system for work Grant 10,161,108 - Hijikata , et al. Dec | 2018-12-25 |
| Construction Machine App 20180274208 - HIJIKATA; Seiji ; et al. | 2018-09-27 |
| Hydraulic fluid energy recovery apparatus for work machine Grant 10,066,368 - Hijikata , et al. September 4, 2 | 2018-09-04 |
| Work Machine App 20180238025 - IMURA; Shinya ; et al. | 2018-08-23 |
| Construction machine Grant 10,030,361 - Hijikata , et al. July 24, 2 | 2018-07-24 |
| Construction Machine App 20180106018 - HOSHINO; Masatoshi ; et al. | 2018-04-19 |
| Hydraulic system for construction machinery Grant 9,926,950 - Ooki , et al. March 27, 2 | 2018-03-27 |
| Energy regeneration system for construction machine Grant 9,926,951 - Ooki , et al. March 27, 2 | 2018-03-27 |
| Hydraulic Drive System for Work Machine App 20180066416 - HIJIKATA; Seiji ; et al. | 2018-03-08 |
| Hydraulic Fluid Energy Regeneration Apparatus of Work Machine App 20180051720 - HIJIKATA; Seiji ; et al. | 2018-02-22 |
| Hydraulic Energy Regeneration System for Work Machine App 20180044890 - HIJIKATA; Seiji ; et al. | 2018-02-15 |
| Hydraulic Drive System of Work Machine App 20180038079 - AMANO; Hiroaki ; et al. | 2018-02-08 |
| Hydraulic Drive System for Work Machine App 20170298590 - HIJIKATA; Seiji ; et al. | 2017-10-19 |
| Construction Machine App 20170284064 - HIJIKATA; Seiji ; et al. | 2017-10-05 |
| Hydraulic Drive System for Work Machine App 20170276155 - HIJIKATA; Seiji ; et al. | 2017-09-28 |
| Hydraulic Drive System for Work Machine App 20170234334 - HIJIKATA; Seiji ; et al. | 2017-08-17 |
| Construction Machinery App 20170175782 - IMURA; Shinya ; et al. | 2017-06-22 |
| Hydraulic Fluid Energy Recovery System For Work App 20170073932 - HIJIKATA; Seiji ; et al. | 2017-03-16 |
| Construction Machine App 20170058487 - HIJIKATA; Seiji ; et al. | 2017-03-02 |
| Power regeneration device for working machine and working machine Grant 9,574,328 - Hijikata February 21, 2 | 2017-02-21 |
| Hydraulic Fluid Energy Regeneration Device for Work Machine App 20170009428 - HIJIKATA; Seiji ; et al. | 2017-01-12 |
| Construction machine Grant 9,394,670 - Hijikata , et al. July 19, 2 | 2016-07-19 |
| Energy Regeneration System For Construction Machine App 20160146232 - OOKI; Takatoshi ; et al. | 2016-05-26 |
| Power regeneration device for operating machine Grant 9,284,718 - Hijikata , et al. March 15, 2 | 2016-03-15 |
| Hydraulic System For Construction Machinery App 20150377264 - OOKI; Takatoshi ; et al. | 2015-12-31 |
| Hydraulic Fluid Energy Recovery Apparatus For Work Machine App 20150354172 - HIJIKATA; Seiji ; et al. | 2015-12-10 |
| Construction Machinery App 20150247305 - Imura; Shinya ; et al. | 2015-09-03 |
| Construction Machine App 20150218780 - HIJIKATA; Seiji ; et al. | 2015-08-06 |
| Power Regeneration Device For Working Machine And Working Machine App 20140283509 - Hijikata; Seiji | 2014-09-25 |
| Construction Machinery App 20140137548 - Imura; Shinya ; et al. | 2014-05-22 |
| Power Regeneration Device For Operating Machine App 20140090367 - Hijikata; Seiji ; et al. | 2014-04-03 |
| Motive power regeneration system for working machine Grant 8,659,177 - Fujishima , et al. February 25, 2 | 2014-02-25 |
| Motive Power Regeneration System For Working Machine App 20130300128 - Fujishima; Kazuo ; et al. | 2013-11-14 |
| Post-installed anchor Grant 8,430,614 - Ito , et al. April 30, 2 | 2013-04-30 |
| After application anchor bolt App 20110038683 - Ito; Toshiharu ; et al. | 2011-02-17 |
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