Inventor
Hiroyuki Masuko
Inventor
Chiba, JP
Overview
Patents· 7 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 systems24%
H02JElectric power networks12%
H10DInorganic electric semiconductor devices12%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1012%
G01RMeasuring electric variables6%
G05FSystems for regulating electric or magnetic variables6%
G11CStatic stores6%
H01LSemiconductor devices6%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%
H03KPulse technique6%
PatentTitleYear
10,128,680Constant current charging device20189,553,514'DC-DC converter'20179,524,961'Semiconductor device'20169,293,990'Switching regulator and electronic apparatus'20167,800,433'Power supply switching circuit'20107,577,931'Semiconductor device and method of manufacturing the same'20097,436,239'Electronic device including charge pump circuit'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2017Patents assigned to SEIKO INSTR INC (5)· patent assignee history
2008–2018Based in Chiba, JP· patent location history
2016–2018Patents assigned to SII SEMICONDUCTOR CORP (3)· patent assignee history
2018Patents assigned to ABLIC INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO INSTR INC | 5 | 2008–2017 |
| SII SEMICONDUCTOR CORP | 3 | 2016–2018 |
| ABLIC INC | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 7 | 2008–2018 |