Fujiyama; Kazuto
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fujiyama; Kazuto.The latest application filed is for "spool valve".
- Fujiyama; Kazuto - Kobe JP
- FUJIYAMA; Kazuto - Kobe-shi JP
- Fujiyama; Kazuto - Hyogo JP
| Patent | Date |
|---|---|
| Spool valve Grant 11,408,531 - Narita , et al. August 9, 2 | 2022-08-09 |
| Spool Valve App 20210207731 - NARITA; Shinji ; et al. | 2021-07-08 |
| Hydraulic excavator drive system Grant 10,590,963 - Kondo , et al. | 2020-03-17 |
| Hydraulic Excavator Drive System App 20190271333 - KONDO; Akihiro ; et al. | 2019-09-05 |
| Fluid pressure system Grant 10,273,988 - Kondo , et al. | 2019-04-30 |
| Hydraulic excavator drive system Grant 10,167,611 - Kondo , et al. J | 2019-01-01 |
| Tilting angle control device Grant 10,066,610 - Yamada , et al. September 4, 2 | 2018-09-04 |
| Liquid-pressure driving system Grant 10,041,224 - Kondo , et al. August 7, 2 | 2018-08-07 |
| Hydraulic excavator drive system Grant 9,932,995 - Kondo , et al. April 3, 2 | 2018-04-03 |
| Hydraulic control device and construction machinery including same Grant 9,821,840 - Ito , et al. November 21, 2 | 2017-11-21 |
| Hydraulic Excavator Drive System App 20170107694 - KONDO; Akihiro ; et al. | 2017-04-20 |
| Liquid-pressure Driving System App 20160348335 - KONDO; Akihiro ; et al. | 2016-12-01 |
| Fluid Pressure System App 20160333899 - KONDO; Akihiro ; et al. | 2016-11-17 |
| Hydraulic Drive System Of Construction Machine App 20160251833 - KONDO; Akihiro ; et al. | 2016-09-01 |
| Hydraulic Excavator Drive System App 20160252107 - KONDO; Akihiro ; et al. | 2016-09-01 |
| Construction Machine Energy Regeneration Apparatus App 20160122980 - KONDO; Akihiro ; et al. | 2016-05-05 |
| Liquid-pressure Control Device App 20150292184 - Kondo; Akihiro ; et al. | 2015-10-15 |
| Tilting Angle Control Device App 20150211501 - Yamada; Masahiro ; et al. | 2015-07-30 |
| Hydraulic Control Device And Construction Machinery Including Same App 20140318116 - Ito; Makoto ; et al. | 2014-10-30 |
| Cushion Valve Device And Multi-cushion Valve Unit Including The Same App 20140305115 - Matsuda; Mikito ; et al. | 2014-10-16 |
| Hydraulic controller Grant 6,845,702 - Sagawa , et al. January 25, 2 | 2005-01-25 |
| Hydraulic controller App 20040040294 - Sagawa, Toyoaki ; et al. | 2004-03-04 |
| Pilot valve Grant 6,125,886 - Sagawa , et al. October 3, 2 | 2000-10-03 |
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