Inventor
Kazuo Matsukawa
Inventor
Osaka, JP
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Mprimary
H03MCoding54%
H03HImpedance networks, e.g. resonant circuits11%
H03FAmplifiers5%
H04BTransmission5%
A61BDiagnosis3%
G01RMeasuring electric variables3%
H01GCapacitors3%
H01LSemiconductor devices3%
H03KPulse technique3%
H04LTransmission of digital information, e.g. telegraphic communication3%
PatentTitleYear
10,340,868Amplifier circuit including first input branch circuit, second input branch circuit, feedback capacitor, and operational amplifier and pulse-wave measuring device20199,654,135'AD converter including a capacitive DAC'20179,634,688'Integrator, delta-sigma modulator, and communications device'20179,438,268'Current type D/A converter, delta sigma modulator, and communications device'20169,287,887'DEM circuit, delta-sigma modulator, D/A converter, and wireless communication device'20169,178,530'Delta sigma modulator, as well as receiver device and wireless communication device provided with same'20159,077,358'Successive approximation AD converter and noise generator'20159,025,309'Capacitor array and signal processor including the array'20158,981,978'Resonator and oversampling A/D converter'20158,963,753'Oversampling A/D converter'20158,937,567'Delta-sigma modulator, integrator, and wireless communication device'20158,922,402'Offset correction device of comparator'20148,872,684'Resonant filter, delta-sigma A/D converter, and semiconductor device'20148,823,567'Resonator, delta-sigma modulator, and wireless communication device'20148,604,956'Resonator and oversampling A/D converter'20138,466,820'Oversampling A/D converter'20138,258,990'Integrator, resonator, and oversampling A/D converter'20127,911,369'Pipelined AD converter'20117,868,803'Semiconductor device having ΔΣ modulator, and semiconductor system'20117,855,670'A-to-D converter'20107,791,519'Semiconductor device, semiconductor device testing apparatus, and semiconductor device testing method'20107,773,023'A-to-D converter'20104,404,617'High-frequency circuit device having a circuit board fixed to a shield casing by projections of the shield casing and soldering'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–2014Patents assigned to MATSUKAWA KAZUO (6)· patent assignee history
1983Based in Takakura, Fujisawa-City, Kanagawa-ken, JP· patent location history
2010–2016Patents assigned to PANASONIC CORP (18)· patent assignee history
2010–2019Based in Osaka, JP· patent location history
2012–2014Patents assigned to DOSHO SHIRO (4)· patent assignee history
2012–2014Patents assigned to MITANI YOSUKE (4)· patent assignee history
2015–2019Patents assigned to PANASONIC IP MAN CO LTD (9)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PANASONIC CORP | 18 | 2010–2016 |
| PANASONIC IP MAN CO LTD | 9 | 2015–2019 |
| MATSUKAWA KAZUOself | 6 | 1983–2014 |
| DOSHO SHIRO | 4 | 2012–2014 |
| MITANI YOSUKE | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 22 | 2010–2019 |
| Takakura, Fujisawa-City, Kanagawa-ken, JP | 1 | 1983 |