Inventor
Nobuyuki Aihara
Inventor
Hiratsuka, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks50%
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 systems50%
PatentTitleYear
9,306,472'Power supply device operating switching elements of first and second switching legs to charge first and second capacitors to a voltage higher than a voltage crest value of an AC power supply and method of operating the power supply device'20169,166,501'Power supply unit for converting power between DC and AC and operating method of the same'20157,053,502'Power supply with uninterruptible function'20066,795,322'Power supply with uninterruptible function'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2006Patents assigned to HITACHI COMP PERIPHERALS CO (2)· patent assignee history
2004Patents assigned to HITACHI LTD (1)· patent assignee history
2004–2006Based in Hiratsuka, JP· patent location history
2015–2016Patents assigned to HITACHI INFO & TELECOMM ENG (2)· patent assignee history
2015Based in Kanagawa, JP· patent location history
2016Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI COMP PERIPHERALS CO | 2 | 2004–2006 |
| HITACHI INFO & TELECOMM ENG | 2 | 2015–2016 |
| HITACHI LTD | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hiratsuka, JP | 2 | 2004–2006 |
| Yokohama, JP | 1 | 2016 |
| Kanagawa, JP | 1 | 2015 |