Inventor
Hironori Oku
Inventor
Kyoto, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
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 systems40%
H10DInorganic electric semiconductor devices40%
G09GArrangements or circuits for control of indicating devices using static means to present variable information20%
PatentTitleYear
8,441,054'Driver for driving a load using a charge pump circuit'20138,330,750'Liquid crystal drive device and liquid crystal display device using the same'20127,928,973'Power supply circuit, LCD driver IC and liquid crystal display device'20117,436,015'Driver for driving a load using a charge pump circuit'20087,215,003'Driver for driving a load using a charge pump circuit'20076,693,316'Semiconductor apparatus having a charge pump circuit'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2013Patents assigned to ROHM CO LTD (6)· patent assignee history
2004–2013Based in Kyoto, JP· patent location history
2012–2013Patents assigned to OKU HIRONORI (2)· patent assignee history
2013Patents assigned to TANAKA TOSHIMASA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROHM CO LTD | 6 | 2004–2013 |
| OKU HIRONORIself | 2 | 2012–2013 |
| TANAKA TOSHIMASA | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 6 | 2004–2013 |