Inventor · disambiguated record
Akira Matsuzawa
Also filed as: MATSUZAWA AKIRA
95 granted patents·10 pending applications·1,774 citations·filing 1982–2020
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD44SEIKO EPSON CORP40TECH IDEA CO LTD6ADVANTEST CORP5TOKYO INST TECH3
Top patents by PatentIndex Score
105 records- 0199US9481089B2Force detector and robotSEIKO EPSON CORP·Filed 2015·Granted Nov 1, 2016·22 cites·9 claims
- 0298US6378996B1Ink-jet recording head and ink-jet recording apparatusSEIKO EPSON CORP·Filed 2000·Granted Apr 30, 2002·110 cites·27 claims
- 0397US7466166B2Current driverPANASONIC CORP·Filed 2005·Granted Dec 16, 2008·64 cites·10 claims
- 0496US6603172B1Semiconductor device and method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Aug 5, 2003·104 cites·20 claims
- 0596US6502930B1Ink jet recording head, method for manufacturing the same, and ink jet recorderSEIKO EPSON CORP·Filed 2000·Granted Jan 7, 2003·71 cites·85 claims
- 0696US5945935AA/D converter and A/D conversion methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Aug 31, 1999·132 cites·12 claims
- 0793US6089701AInk jet recording head having reduced stress concentration near the boundaries of pressure generating chambersSEIKO EPSON CORP·Filed 1997·Granted Jul 18, 2000·75 cites·12 claims
- 0892US8362934B2Comparator and analog/digital converterTOKYO INST TECH·Filed 2009·Granted Jan 29, 2013·37 cites·17 claims
- 0992US7605738B2A-D converter and A-D convert methodADVANTEST CORP·Filed 2007·Granted Oct 20, 2009·28 cites·11 claims
- 1090US9931752B2Force detector and robotSEIKO EPSON CORP·Filed 2016·Granted Apr 3, 2018·4 cites·21 claims
- 1190US6119250ASemiconductor integrated circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Sep 12, 2000·71 cites·11 claims
- 1290US6083785AMethod of manufacturing semiconductor device having resistor filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 4, 2000·80 cites·10 claims
- 1389US10209152B2Force sensor unit and robot arm including a wire cable routed from inside a casing to outside of the casingSEIKO EPSON CORP·Filed 2017·Granted Feb 19, 2019·7 cites·7 claims
- 1489US9651433B2Force detector, robot, electronic component carrying apparatus, electronic component testing apparatus, part processing apparatus, and moving objectSEIKO EPSON CORP·Filed 2014·Granted May 16, 2017·14 cites·23 claims
- 1587US5465093AAnalog-to-digital converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Nov 7, 1995·60 cites·8 claims
- 1685US7571525B2Method of manufacturing liquid-jet head and liquid-jet headSEIKO EPSON CORP·Filed 2006·Granted Aug 11, 2009·7 cites·12 claims
- 1785US5550544ASignal converter, noise shaper, AD converter and DA converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 27, 1996·55 cites·13 claims
- 1883US7609184B2D-A convert apparatus and A-D convert apparatusADVANTEST CORP·Filed 2007·Granted Oct 27, 2009·15 cites·13 claims
- 1982US6211720B1Logic circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 3, 2001·22 cites·6 claims
- 2081US8971389B2Millimeter-wave band radio transceiver deviceOKADA KENICHI·Filed 2011·Granted Mar 3, 2015·5 cites·6 claims
- 2181US7755521B1A-D convert apparatus, D-A convert apparatus and adjustment methodADVANTEST CORP·Filed 2008·Granted Jul 13, 2010·12 cites·11 claims
- 2281US6310492B1CMOS semiconductor integrated circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 30, 2001·25 cites·20 claims
- 2379US7477177B2A-D converter, A-D convert method, and A-D convert programADVANTEST CORP·Filed 2006·Granted Jan 13, 2009·10 cites·12 claims
- 2479US6072353ALogic circuit with overdriven off-state switchingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jun 6, 2000·31 cites·4 claims
- 2579US4496935AAnalog-digital converter with linear characteristic restoration circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Jan 29, 1985·27 cites·5 claims
- 2678US6142614APiezoelectric actuator using passivation film or interlayer insulating film along with an insulating film to obtain better adhesionSEIKO EPSON CORP·Filed 1997·Granted Nov 7, 2000·36 cites·18 claims
- 2778US5307067AFolding circuit and analog-to-digital converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Apr 26, 1994·39 cites·13 claims
- 2877US6326772B2Power supply apparatus with energy return for reuseMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 4, 2001·28 cites·5 claims
- 2976US8827428B2Piezoelectric motor, liquid ejecting apparatus, and clockMIYAZAWA OSAMU·Filed 2010·Granted Sep 9, 2014·3 cites·13 claims
- 3076US6707413B2A/D converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 16, 2004·23 cites·10 claims
- 3175US5812626ATime counting circuit sampling circuit skew adjusting circuit and logic analyzing circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Sep 22, 1998·29 cites·8 claims
- 3274US10215649B2Force detector, robot, electronic component carrying apparatus, electronic component testing apparatus, part processing apparatus, and moving objectSEIKO EPSON CORP·Filed 2017·Granted Feb 26, 2019·2 cites·20 claims
- 3373US7318277B2Method of manufacturing a liquid jet headSEIKO EPSON CORP·Filed 2005·Granted Jan 15, 2008·4 cites·15 claims
- 3472US10382051B2Time domain A/D converter group and sensor device using the sameTECH IDEA CO LTD·Filed 2018·Granted Aug 13, 2019·1 cites·4 claims
- 3571US8359747B2Method for manufacturing liquid ejecting headSEIKO EPSON CORP·Filed 2007·Granted Jan 29, 2013·3 cites·9 claims
- 3670US7479914B2A-D converter and A-D convert methodADVANTEST CORP·Filed 2007·Granted Jan 20, 2009·6 cites·8 claims
- 3769US9705069B2Sensor device, force detecting device, robot, electronic component conveying apparatus, electronic component inspecting apparatus, and component machining apparatusSEIKO EPSON CORP·Filed 2014·Granted Jul 11, 2017·3 cites·10 claims
- 3868US6929355B2Ink-jet recording head, manufacturing method of the same, and ink-jet recording apparatusSEIKO EPSON CORP·Filed 2003·Granted Aug 16, 2005·11 cites·10 claims
- 3968US5835552ATime counting circuit and counter circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Nov 10, 1998·22 cites·8 claims
- 4067US8061813B2Liquid ejecting head and liquid ejecting apparatusMATSUZAWA AKIRA·Filed 2007·Granted Nov 22, 2011·2 cites·7 claims
- 4167US7909439B2Liquid ejecting head and liquid ejecting apparatusSEIKO EPSON CORP·Filed 2009·Granted Mar 22, 2011·4 cites·4 claims
- 4267US7686421B2Fluid injection head, method of manufacturing the injection head, and fluid injection deviceSEIKO EPSON CORP·Filed 2003·Granted Mar 30, 2010·11 cites·9 claims
- 4367USRE39474EMethod of manufacturing an ink jet recording head having reduced stress concentration near the boundaries of the pressure generating chambersSEIKO EPSON CORP·Filed 2002·Granted Jan 23, 2007·9 cites·52 claims
- 4467US5164728AA/D converter with complementary interpolating voltage dividersMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Nov 17, 1992·26 cites·2 claims
- 4566US9825646B1Integrator and A/D converter using the sameTECH IDEA CO LTD·Filed 2017·Granted Nov 21, 2017·2 cites·18 claims
- 4665US7789495B2Liquid ejection head and liquid ejection apparatusSEIKO EPSON CORP·Filed 2007·Granted Sep 7, 2010·2 cites·7 claims
- 4765US6712456B2Ink-jet recording head, manufacturing method of the same and ink-jet recording apparatusSEIKO EPSON CORP·Filed 2001·Granted Mar 30, 2004·9 cites·19 claims
- 4865US6284434B1Piezoelectric thin film element fabrication methodSEIKO EPSON CORP·Filed 1998·Granted Sep 4, 2001·20 cites·9 claims
- 4963US7402256B2Method for producing liquid-jet headSEIKO EPSON CORP·Filed 2005·Granted Jul 22, 2008·2 cites·10 claims
- 5063US4931797AFolding circuit and serial-type A/D converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Jun 5, 1990·20 cites·4 claims
Showing the top 50 of 105 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →