Okumura; Yasufumi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Okumura; Yasufumi.The latest application filed is for "axle box suspension and elastic bushing shaft body for use in railcar".
- Okumura; Yasufumi - Kobe JP
- OKUMURA; Yasufumi - Kobe-shi JP
- Okumura; Yasufumi - Hyogo JP
| Patent | Date |
|---|---|
| Rubbing plate of side bearer of railcar bogie and side bearer Grant 11,407,434 - Okumura , et al. August 9, 2 | 2022-08-09 |
| Axle Box Suspension And Elastic Bushing Shaft Body For Use In Railcar App 20210031816 - TAGA; Yukitaka ; et al. | 2021-02-04 |
| Rubbing Plate Of Side Bearer Of Railcar Bogie And Side Bearer App 20200307655 - OKUMURA; Yasufumi ; et al. | 2020-10-01 |
| Load measuring device for railcar bogie Grant 10,422,685 - Nishimura , et al. Sept | 2019-09-24 |
| Axle box suspension of railcar bogie Grant 10,399,579 - Okumura Sep | 2019-09-03 |
| Air spring Grant 10,086,850 - Haraguchi , et al. October 2, 2 | 2018-10-02 |
| Plate spring cover and railcar bogie including plate spring cover Grant 10,053,119 - Nishimura , et al. August 21, 2 | 2018-08-21 |
| Axle Box Suspension Of Railcar Bogie App 20180029617 - OKUMURA; Yasufumi | 2018-02-01 |
| Railcar bogie Grant 9,802,627 - Nishimura , et al. October 31, 2 | 2017-10-31 |
| Railcar axle box suspension Grant 9,592,840 - Okumura , et al. March 14, 2 | 2017-03-14 |
| Railcar bogie Grant 9,573,604 - Nishimura , et al. February 21, 2 | 2017-02-21 |
| Air Spring App 20170015334 - HARAGUCHI; Hirokazu ; et al. | 2017-01-19 |
| Air spring and railcar Grant 9,545,933 - Nishimura , et al. January 17, 2 | 2017-01-17 |
| Load Measuring Device For Railcar Bogie App 20160320229 - NISHIMURA; Takehiro ; et al. | 2016-11-03 |
| Railcar Axle Box Suspension App 20160304102 - OKUMURA; Yasufumi ; et al. | 2016-10-20 |
| Plate Spring Cover And Railcar Bogie Including Plate Spring Cover App 20160251023 - NISHIMURA; Takehiro ; et al. | 2016-09-01 |
| Railcar Bogie App 20160214627 - NISHIMURA; Takehiro ; et al. | 2016-07-28 |
| Air Spring And Railcar App 20160185363 - NISHIMURA; Takehiro ; et al. | 2016-06-30 |
| Railcar bogie Grant 9,358,989 - Nishimura , et al. June 7, 2 | 2016-06-07 |
| Railcar Bogie App 20150344047 - NISHIMURA; Takehiro ; et al. | 2015-12-03 |
| Railcar Bogie App 20140137765 - Nishimura; Takehiro ; et al. | 2014-05-22 |
| Railcar primary suspension Grant 8,297,199 - Nishimura , et al. October 30, 2 | 2012-10-30 |
| Railcar Primary Suspension App 20110253004 - NISHIMURA; Takehiro ; et al. | 2011-10-20 |
| Truck for railroad car Grant 7,004,078 - Nishimura , et al. February 28, 2 | 2006-02-28 |
| Truck for railroad car App 20040123767 - Nishimura, Takehiro ; et al. | 2004-07-01 |
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