KOYAMA; YUSHI
Patent Applications and Registrations
Patent applications and USPTO patent grants for KOYAMA; YUSHI.The latest application filed is for "information output device".
- KOYAMA; YUSHI - TOKYO JP
- Koyama; Yushi - Fuchu JP
- KOYAMA; Yushi - Fuchu-shi JP
| Patent | Date |
|---|---|
| Information Output Device App 20220014837 - KIKUCHI; KOHEI ; et al. | 2022-01-13 |
| Power conversion apparatus Grant 10,938,319 - Maki , et al. March 2, 2 | 2021-03-02 |
| Headphones Grant 10,932,029 - Ito , et al. February 23, 2 | 2021-02-23 |
| Power Conversion Apparatus App 20200350832 - MAKI; Koji ; et al. | 2020-11-05 |
| Headphones App 20190394555 - ITO; TOMOHIRO ; et al. | 2019-12-26 |
| Semiconductor switch and power conversion apparatus Grant 9,893,509 - Mochikawa , et al. February 13, 2 | 2018-02-13 |
| Multilevel reactive power compensator Grant 9,379,548 - Koyama , et al. June 28, 2 | 2016-06-28 |
| Semiconductor Switch And Power Conversion Apparatus App 20160134098 - MOCHIKAWA; Hiroshi ; et al. | 2016-05-12 |
| Semiconductor switch and power conversion apparatus Grant 9,257,248 - Mochikawa , et al. February 9, 2 | 2016-02-09 |
| Reactive Power Compensator App 20140133198 - Koyama; Yushi ; et al. | 2014-05-15 |
| System interconnection inverter with bypass path Grant 8,514,596 - Koyama , et al. August 20, 2 | 2013-08-20 |
| Grid-tie inverter for interconnecting AC voltage to electric power grid Grant 8,472,215 - Koyama , et al. June 25, 2 | 2013-06-25 |
| Semiconductor Switch And Power Conversion Apparatus App 20130134958 - MOCHIKAWA; Hiroshi ; et al. | 2013-05-30 |
| Grid-tie Inverter App 20120275201 - KOYAMA; Yushi ; et al. | 2012-11-01 |
| System Interconnection Inverter App 20110216568 - Koyama; Yushi ; et al. | 2011-09-08 |
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