Inventor
Masaru Sekiguchi
Inventor
Tokyo, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables25%
H03MCoding25%
H02JElectric power networks13%
B60LPropulsion of electrically-propelled vehicles6%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%
H03HImpedance networks, e.g. resonant circuits6%
H04MTelephonic communication6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y02TClimate change mitigation technologies related to transportation6%
PatentTitleYear
10,330,736Semiconductor device, battery monitoring system, and diagnostic method for semiconductor device201910,060,988Semiconductor device and a method for measuring a cell voltage20189,279,860'Battery monitoring system and semiconductor device'20168,786,289'Method and semiconductor device for monitoring battery voltages'20147,956,784'DA converter including conversion amplifier having output voltage with improved linearity'20117,068,978'Current cell type digital-to-analog converter'20067,064,699'Current cell matrix type digital-to-analog converter'20066,747,587'Digital / analog converter'20046,639,984'Feeder circuit'20036,087,823'Electronic inductance circuit'2000D0343410'Printer'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to NITSUKO LTD (1)· patent assignee history
1994Based in Kawasaki, JP· patent location history
2000–2006Patents assigned to OKI ELECTRIC IND CO LTD (5)· patent assignee history
2000–2006Based in Tokyo, JP· patent location history
2011–2014Patents assigned to OKI SEMICONDUCTOR CO LTD (2)· patent assignee history
2011–2014Based in Saitama, JP· patent location history
2014Patents assigned to SEKIGUCHI MASARU (1)· patent assignee history
2016–2019Patents assigned to LAPIS SEMICONDUCTOR CO LTD (3)· patent assignee history
2016–2019Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OKI ELECTRIC IND CO LTD | 5 | 2000–2006 |
| LAPIS SEMICONDUCTOR CO LTD | 3 | 2016–2019 |
| OKI SEMICONDUCTOR CO LTD | 2 | 2011–2014 |
| NITSUKO LTD | 1 | 1994 |
| SEKIGUCHI MASARUself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 5 | 2000–2006 |
| Yokohama, JP | 3 | 2016–2019 |
| Saitama, JP | 2 | 2011–2014 |
| Kawasaki, JP | 1 | 1994 |