Umemoto; Yoshiyuki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Umemoto; Yoshiyuki.The latest application filed is for "engine system".
- Umemoto; Yoshiyuki - Tokyo JP
- Umemoto; Yoshiyuki - Hyogo JP
- Umemoto; Yoshiyuki - Aioi JP
- UMEMOTO; Yoshiyuki - Aioi-shi JP
- Umemoto; Yoshiyuki - Tatsuno JP
- UMEMOTO; Yoshiyuki - Tatsuno-shi JP
- Umemoto; Yoshiyuki - Osaka JP
| Patent | Date |
|---|---|
| Engine system Grant 11,306,649 - Masuda , et al. April 19, 2 | 2022-04-19 |
| Engine Grant 11,199,140 - Masuda , et al. December 14, 2 | 2021-12-14 |
| Engine Grant 11,174,826 - Masuda , et al. November 16, 2 | 2021-11-16 |
| Variable compression device and engine system Grant 11,162,440 - Masuda , et al. November 2, 2 | 2021-11-02 |
| Marine engine Grant 11,131,254 - Masuda , et al. September 28, 2 | 2021-09-28 |
| Marine engine Grant 11,105,281 - Masuda , et al. August 31, 2 | 2021-08-31 |
| Compression ratio control device and engine Grant 11,053,865 - Masuda , et al. July 6, 2 | 2021-07-06 |
| Engine System App 20210040881 - MASUDA; Yutaka ; et al. | 2021-02-11 |
| Marine Engine App 20200408160 - MASUDA; Yutaka ; et al. | 2020-12-31 |
| Compression Ratio Control Device And Engine App 20200408158 - MASUDA; Yutaka ; et al. | 2020-12-31 |
| Engine App 20200392929 - MASUDA; Yutaka ; et al. | 2020-12-17 |
| Marine Engine App 20200300183 - MASUDA; Yutaka ; et al. | 2020-09-24 |
| Engine App 20200291874 - MASUDA; Yutaka ; et al. | 2020-09-17 |
| Piston ring Grant 10,689,743 - Saito , et al. | 2020-06-23 |
| Uniflow-scavenged two-cycle engine Grant 10,502,120 - Yamada , et al. Dec | 2019-12-10 |
| Engine Grant 10,087,831 - Yamada , et al. October 2, 2 | 2018-10-02 |
| Uniflow-scavenged Two-cycle Engine App 20170204778 - YAMADA; Takeshi ; et al. | 2017-07-20 |
| Crosshead engine Grant 9,605,590 - Yamada , et al. March 28, 2 | 2017-03-28 |
| Crosshead Engine App 20160319738 - YAMADA; Takeshi ; et al. | 2016-11-03 |
| Engine App 20160319739 - YAMADA; Takeshi ; et al. | 2016-11-03 |
| Two-cycle engine and method for lubricating two-cycle engine Grant 9,476,353 - Saito , et al. October 25, 2 | 2016-10-25 |
| Piston Ring App 20160281202 - SAITO; Yoshiyuki ; et al. | 2016-09-29 |
| Piston Ring App 20140225330 - SAITO; Yoshiyuki ; et al. | 2014-08-14 |
| Two-cycle Engine And Method For Lubricating Two-cycle Engine App 20140216426 - SAITO; Yoshiyuki ; et al. | 2014-08-07 |
| Device for tightening bolt and/or nut Grant 6,053,080 - Kaneyama , et al. April 25, 2 | 2000-04-25 |
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