Oka; Toshiaki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Oka; Toshiaki.The latest application filed is for "power conversion device".
Company Profile
7.24.22
- Oka; Toshiaki - Chuo-ku JP
- Oka; Toshiaki - Tokyo JP
- Oka; Toshiaki - Miyagi JP
- Oka; Toshiaki - Sendai JP
- OKA; Toshiaki - Sendai-shi JP
- Oka; Toshiaki - Houston TX
- Oka; Toshiaki - Fuchu JP
Patent Activity
| Patent | Date |
|---|---|
| Power conversion device Grant 11,218,079 - Tsuruta , et al. January 4, 2 | 2022-01-04 |
| Power conversion apparatus Grant 11,081,999 - Tobayashi , et al. August 3, 2 | 2021-08-03 |
| Inductive element and LC filter Grant 11,056,262 - Itaya , et al. July 6, 2 | 2021-07-06 |
| Power Conversion Device App 20210119550 - TSURUTA; Ryoji ; et al. | 2021-04-22 |
| Inductor App 20210020356 - OKA; Toshiaki | 2021-01-21 |
| Inductor Grant D906,965 - Oka , et al. January 5, 2 | 2021-01-05 |
| Electronic device and method for disposing electromagnetic interference suppressor Grant 10,729,044 - Kondo , et al. | 2020-07-28 |
| Power Conversion Apparatus App 20200204103 - TOBAYASHI; Shunsuke ; et al. | 2020-06-25 |
| Power conversion apparatus Grant 10,536,105 - Tobayashi , et al. Ja | 2020-01-14 |
| Inverter test apparatus Grant 10,509,079 - Niimura , et al. Dec | 2019-12-17 |
| Electronic Device And Method For Disposing Electromagnetic Interference Suppressor App 20190008079 - KONDO; Koichi ; et al. | 2019-01-03 |
| Inductive Element And Lc Filter App 20190006079 - ITAYA; Michitaka ; et al. | 2019-01-03 |
| Device provided with electromagnetic interference suppression body Grant 10,130,017 - Kondo , et al. November 13, 2 | 2018-11-13 |
| Motor driving system Grant 10,069,452 - Oka September 4, 2 | 2018-09-04 |
| Power Conversion Apparatus App 20180241338 - TOBAYASHI; Shunsuke ; et al. | 2018-08-23 |
| Device Provided With Electromagnetic Interference Suppression Body App 20180020580 - KONDO; Koichi ; et al. | 2018-01-18 |
| Antenna device, communication module, portable electronic apparatus, and communication method using portable electronic apparatus Grant 9,716,317 - Chatani , et al. July 25, 2 | 2017-07-25 |
| Seven-level inverter apparatus Grant 9,685,884 - Oka June 20, 2 | 2017-06-20 |
| Motor Driving System App 20170063282 - OKA; Toshiaki | 2017-03-02 |
| Inverter Test Apparatus App 20160377687 - NIIMURA; Naoto ; et al. | 2016-12-29 |
| Seven-level Inverter Apparatus App 20160141977 - Oka; Toshiaki | 2016-05-19 |
| Multilevel regeneration drive system Grant 8,760,896 - Oka , et al. June 24, 2 | 2014-06-24 |
| Antenna Device, Communication Module, Portable Electronic Apparatus, And Communication Method Using Portable Electronic Apparatus App 20140035790 - Chatani; Kenichi ; et al. | 2014-02-06 |
| Open fuse detection by neutral point shift Grant 8,427,173 - Oka , et al. April 23, 2 | 2013-04-23 |
| Medium voltage inverter system Grant 8,248,828 - Morishita , et al. August 21, 2 | 2012-08-21 |
| Multi-Phase Drive System App 20120033472 - Oka; Toshiaki ; et al. | 2012-02-09 |
| Electric Power Transmission Apparatus And Noncontact Electric Power Transmission System App 20110266884 - Wako; Naoki ; et al. | 2011-11-03 |
| Open Fuse Detection by Neutral Point Shift App 20100271045 - Oka; Toshiaki ; et al. | 2010-10-28 |
| Medium Voltage Inverter System App 20100254171 - Morishita; Takashi ; et al. | 2010-10-07 |
| Device and method for estimating occurrence distribution of unascertained water and recording medium Grant 7,519,473 - Oka , et al. April 14, 2 | 2009-04-14 |
| Multi-level power converter Grant 7,489,487 - Oka February 10, 2 | 2009-02-10 |
| Sewage inflow amount predicting device and method, and server device Grant 7,437,267 - Oka , et al. October 14, 2 | 2008-10-14 |
| Power inverter system and method of correcting supply voltage of the same Grant 7,403,404 - Oka , et al. July 22, 2 | 2008-07-22 |
| Multi-level power converter App 20070159749 - Oka; Toshiaki | 2007-07-12 |
| Device and method for estimating occurrence distribution of unascertained water and recording medium App 20070095729 - Oka; Toshiaki ; et al. | 2007-05-03 |
| Power inverter system and method of correcting supply voltage of the same App 20060215429 - Oka; Toshiaki ; et al. | 2006-09-28 |
| Power conversion device Grant 7,091,690 - Oka , et al. August 15, 2 | 2006-08-15 |
| Water distribution amount predicting system Grant 6,793,806 - Oka , et al. September 21, 2 | 2004-09-21 |
| Water distribution amount predicting system App 20040074826 - Oka, Toshiaki ; et al. | 2004-04-22 |
| Sewage inflow amount predicting device and method, and server device App 20040044475 - Oka, Toshiaki ; et al. | 2004-03-04 |
| Power conversion device App 20010048604 - Oka, Toshiaki ; et al. | 2001-12-06 |
| Inverter apparatus Grant 6,320,767 - Shimoura , et al. November 20, 2 | 2001-11-20 |
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