Inventor
Akira Matsuzawa
Inventor
Kyoto, JP
Overview
Patents· 94 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Mprimary
H03MCoding19%
B41JTypewriters13%
H03KPulse technique10%
Y10TTechnical subjects covered by former us classification6%
G01RMeasuring electric variables6%
B25JManipulators5%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure5%
G04FTime-interval measuring4%
G06FElectric digital data processing3%
H10NElectric solid-state devices not otherwise provided for3%
PatentTitleYear
10,974,384Force detecting device and robot system202110,697,840Force detector, robot, electronic component carrying apparatus, electronic component testing apparatus, part processing apparatus, and moving object202010,382,051Time domain A/D converter group and sensor device using the same201910,367,519Time domain A/D converter group and sensor device using the same201910,326,957A/D converter and sensor device using the same201910,215,649Force detector, robot, electronic component carrying apparatus, electronic component testing apparatus, part processing apparatus, and moving object201910,209,152Force sensor unit and robot arm including a wire cable routed from inside a casing to outside of the casing201910,201,902Force detector and robot20199,931,752Force detector and robot20189,825,646'Integrator and A/D converter using the same'20179,705,069'Sensor device, force detecting device, robot, electronic component conveying apparatus, electronic component inspecting apparatus, and component machining apparatus'20179,651,433'Force detector, robot, electronic component carrying apparatus, electronic component testing apparatus, part processing apparatus, and moving object'20179,577,661'Voltage-controlled oscillator and analog-digital converter'20179,481,089'Force detector and robot'20168,971,389'Millimeter-wave band radio transceiver device'20158,947,287'Pipeline A/D converter and A/D converting method'20158,827,428'Piezoelectric motor, liquid ejecting apparatus, and clock'20148,757,777'Liquid ejecting head and liquid ejecting apparatus'20148,534,800'Liquid ejecting head and liquid ejecting apparatus'20138,362,934'Comparator and analog/digital converter'20138,359,747'Method for manufacturing liquid ejecting head'20138,342,656'Liquid ejecting head and liquid ejecting apparatus'20138,061,813'Liquid ejecting head and liquid ejecting apparatus'20118,011,761'Liquid jet head and a liquid jet apparatus'20117,909,439'Liquid ejecting head and liquid ejecting apparatus'20117,789,495'Liquid ejection head and liquid ejection apparatus'20107,755,521'A-D convert apparatus, D-A convert apparatus and adjustment method'20107,705,763'A-D convert apparatus'20107,696,918'A-D convert apparatus'20107,686,421'Fluid injection head, method of manufacturing the injection head, and fluid injection device'20107,609,184'D-A convert apparatus and A-D convert apparatus'20097,605,738'A-D converter and A-D convert method'20097,571,525'Method of manufacturing liquid-jet head and liquid-jet head'20097,479,914'A-D converter and A-D convert method'20097,477,177'A-D converter, A-D convert method, and A-D convert program'20097,466,166'Current driver'20087,402,256'Method for producing liquid-jet head'20087,318,277'Method of manufacturing a liquid jet head'2008RE039474'Method of manufacturing an ink jet recording head having reduced stress concentration near the boundaries of the pressure generating chambers'20077,135,121'Ink-jet recording head, manufacturing method of the same and ink-jet recording apparatus'20066,929,355'Ink-jet recording head, manufacturing method of the same, and ink-jet recording apparatus'20056,712,456'Ink-jet recording head, manufacturing method of the same and ink-jet recording apparatus'20046,707,413'A/D converter'20046,603,172'Semiconductor device and method of manufacturing the same'20036,502,930'Ink jet recording head, method for manufacturing the same, and ink jet recorder'20036,424,184'FREQUENCY-VOLTAGE CONVERSION CIRCUIT, DELAY AMOUNT JUDGEMENT CIRCUIT, SYSTEM HAVING FREQUENCY-VOLTAGE CONVERSION CIRCUIT, METHOD OF ADJUSTING INPUT/OUTPUT CHARACTERISTICS OF FREQUENCY-VOLTAGE CONVERSION CIRCUIT, AND APPARATUS FOR AUTOMATICALLY ADJUSTING INPUT'20026,416,680'Ink-jet recording head, its manufacturing method and ink-jet recording device'20026,390,608'Ink jet recording head, its manufacturing method and inkjet recording device'20026,378,996'Ink-jet recording head and ink-jet recording apparatus'20026,326,772'Power supply apparatus with energy return for reuse'20016,310,492'CMOS semiconductor integrated circuit'20016,284,434'Piezoelectric thin film element fabrication method'20016,211,720'Logic circuit'20016,201,382'Low noise and energy loss power supply apparatus and voltage converter'20016,172,557'Time counting circuit, pulse converting circuit and FM demodulating circuit'20016,142,614'Piezoelectric actuator using passivation film or interlayer insulating film along with an insulating film to obtain better adhesion'20006,141,455'Image encoding apparatus employing analog processing system'20006,119,250'Semiconductor integrated circuit'20006,089,701'Ink jet recording head having reduced stress concentration near the boundaries of pressure generating chambers'20006,083,785'Method of manufacturing semiconductor device having resistor film'20006,072,353'Logic circuit with overdriven off-state switching'20006,025,794'Signal transmission circuit, signal transmission method A/D converter and solid-state imaging element'20005,999,586'Time counting circuit and pulse signal generating method'19995,999,022'Signal transmission driver circuit, receiver circuit, and method thereof for transmitting and receiving information based on multiple periods and/or a delay function'19995,982,841'Time counting circuit, pulse converting circuit and FM demodulating circuit'19995,973,523'Time counting circuit, sampling circuit, skew adjusting circuit, and logic analyzing circuit'19995,945,935'A/D converter and A/D conversion method'19995,936,437'Analog-to-digital converter with capacitor network'19995,920,209'Time counting circuit, sampling circuit, skew adjusting circuit, and logic analyzing circuit'19995,835,552'Time counting circuit and counter circuit'19985,828,717'Time counting circuit and counter circuit'19985,812,626'Time counting circuit sampling circuit skew adjusting circuit and logic analyzing circuit'19985,748,132'Interpolation type A/D converter'19985,719,513'Latch circuit for amplifying an analog signal and converting an analog signal into a digital signal'19985,717,624'Analog memory circuit and method for recording analog signal'19985,699,064'Oversampling D/A converter using a bidirectional shift register'19975,550,544'Signal converter, noise shaper, AD converter and DA converter'19965,465,093'Analog-to-digital converter'19955,402,128'Analog-to-digital converter with capacitor network'19955,321,402'Analog-to-digital conversion method and device'19945,307,067'Folding circuit and analog-to-digital converter'19945,164,728'A/D converter with complementary interpolating voltage dividers'19925,151,700'Serial-parallel type A/D converter'19925,144,163'Dynamic BiCMOS logic gates'19925,138,318'Differential voltage buffer amplifier circuit and serial-parallel A-D converter'19925,121,082'Buffer circuit'19925,121,002'Dynamic logic gates'19925,034,628'Fast trailing BIMOS logic gate'19915,019,820'Serial-parallel type A/D converter having reference resistor chain and current source array'19914,963,874'Parallel type A/D converter'19904,931,797'Folding circuit and serial-type A/D converter'19904,905,369'Tool Changer'19904,536,950'Method for making semiconductor device'19854,496,935'Analog-digital converter with linear characteristic restoration circuit'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2004Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (44)· patent assignee history
1994–2004Based in Kyoto, JP· patent location history
1995–2002Based in Yawata, JP· patent location history
2000–2021Patents assigned to SEIKO EPSON CORP (33)· patent assignee history
2000–2010Based in Nagano, JP· patent location history
2008–2017Based in Tokyo, JP· patent location history
2009–2017Patents assigned to TOKYO INST TECH (11)· patent assignee history
2009–2010Patents assigned to ADVANTEST CORP (7)· patent assignee history
2010–2021Based in Shiojiri, JP· patent location history
2011–2015Patents assigned to MATSUZAWA AKIRA (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 44 | 1985–2004 |
| SEIKO EPSON CORP | 33 | 2000–2021 |
| TOKYO INST TECH | 11 | 2009–2017 |
| ADVANTEST CORP | 7 | 2009–2010 |
| MATSUZAWA AKIRAself | 7 | 2011–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 21 | 1994–2004 |
| Shiojiri, JP | 17 | 2010–2021 |
| Nagano, JP | 15 | 2000–2010 |
| Tokyo, JP | 11 | 2008–2017 |
| Yawata, JP | 10 | 1995–2002 |