Inventor
Yoshiaki Okui
Inventor
Toshima-ku, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks64%
Y10TTechnical subjects covered by former us classification14%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems7%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
PatentTitleYear
10,205,327Battery system and energy storage system including distribution controller for selecting battery banks for charging/discharging201910,128,656Power assist unit and power assist system20189,214,815'Power supply system including a battery, a DC/DC converter, and an inverter'20158,018,746'Parallel inverter system'20117,759,822'Uninterruptible power supply device with circuit for degradation judgment of storage battery'20107,612,468'Uninterruptible power supply device with circuit for degradation judgment of storage battery'20097,579,714'Uninterruptible power supply apparatus'20097,166,931'Uninterruptible power supply apparatus'20076,891,413'Periodic signal controller'20056,556,459'Uninterruptible power supply and method of turning off AC switch for uninterruptible power supply'20036,445,089'Uninterruptible power system'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2015Patents assigned to SANYO ELECTRIC CO (9)· patent assignee history
2003–2011Based in Nagano, JP· patent location history
2007–2009Based in Ueda, JP· patent location history
2009–2015Based in Toshima-ku, JP· patent location history
2015Patents assigned to OKUI YOSHIAKI (1)· patent assignee history
2018–2019Patents assigned to SAMSUNG SDI CO LTD (2)· patent assignee history
2018Based in Cheonan-si, KR· patent location history
2019Based in Yongin-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SANYO ELECTRIC CO | 9 | 2002–2015 |
| SAMSUNG SDI CO LTD | 2 | 2018–2019 |
| OKUI YOSHIAKIself | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Toshima-ku, JP | 3 | 2009–2015 |
| Nagano, JP | 3 | 2003–2011 |
| Ueda, JP | 2 | 2007–2009 |
| Yongin-si, KR | 1 | 2019 |
| Cheonan-si, KR | 1 | 2018 |