Inventor · disambiguated record
Akio Tsutsumi
Also filed as: TSUTSUMI AKIO
24 granted patents·1 pending application·22 citations·filing 2014–2025
91Inventor score
Files withSEIKO EPSON CORP25
Top patents by PatentIndex Score
25 records- 0194US11320792B2Circuit device, physical quantity measuring device, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2020·Granted May 3, 2022·7 cites·15 claims
- 0280US11201588B2Oscillator and electronic apparatusSEIKO EPSON CORP·Filed 2020·Granted Dec 14, 2021·1 cites·20 claims
- 0380US10268164B2Circuit device, physical quantity measurement device, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2018·Granted Apr 23, 2019·4 cites·20 claims
- 0476US10884041B2Physical quantity measurement apparatus, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2017·Granted Jan 5, 2021·2 cites·18 claims
- 0575US9658065B2Physical quantity detection circuit, physical quantity detection device, electronic apparatus and moving objectSEIKO EPSON CORP·Filed 2014·Granted May 23, 2017·5 cites·18 claims
- 0670US11262416B2Diagnostic circuit, electronic circuit, electronic device, and mobile bodySEIKO EPSON CORP·Filed 2016·Granted Mar 1, 2022·1 cites·11 claims
- 0770US10222759B2Integrated circuit device, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2017·Granted Mar 5, 2019·2 cites·17 claims
- 0862US12278596B2Circuit unit and vibrator deviceSEIKO EPSON CORP·Filed 2023·Granted Apr 15, 2025·0 cites·9 claims
- 0958US11397446B2Circuit device, electronic device, communication system, and vehicle electronic key systemSEIKO EPSON CORP·Filed 2020·Granted Jul 26, 2022·0 cites·15 claims
- 1057US12184293B2Circuit device and oscillatorSEIKO EPSON CORP·Filed 2023·Granted Dec 31, 2024·0 cites·13 claims
- 1157US11567529B2Real-time clock device and electronic apparatusSEIKO EPSON CORP·Filed 2020·Granted Jan 31, 2023·0 cites·14 claims
- 1252US11043954B2Oscillation circuit, oscillator, communication device, and method of controlling oscillation circuitSEIKO EPSON CORP·Filed 2020·Granted Jun 22, 2021·0 cites·11 claims
- 1352US2025278105A1Regulator Circuit, Circuit Device, And OscillatorSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 1447US10613483B2Integrated circuit device, physical quantity measuring device, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2018·Granted Apr 7, 2020·0 cites·17 claims
- 1547US10608586B2Resonator device, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2018·Granted Mar 31, 2020·0 cites·19 claims
- 1645US11662441B2Circuit device, physical quantity measuring device, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2018·Granted May 30, 2023·0 cites·15 claims
- 1745US11196427B2Charge pump circuit, PLL circuit, and oscillatorSEIKO EPSON CORP·Filed 2021·Granted Dec 7, 2021·0 cites·12 claims
- 1845US10680554B2Circuit device, oscillator, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2018·Granted Jun 9, 2020·0 cites·20 claims
- 1945US10224939B2Circuit device, physical quantity measurement device, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2017·Granted Mar 5, 2019·0 cites·20 claims
- 2044US11698306B2Digital-output temperature sensor, circuit device, and oscillatorSEIKO EPSON CORP·Filed 2022·Granted Jul 11, 2023·0 cites·11 claims
- 2144US10594295B2Resonator device, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2018·Granted Mar 17, 2020·0 cites·18 claims
- 2242US10666195B2Resonator device, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2018·Granted May 26, 2020·0 cites·14 claims
- 2342US10396804B2Circuit device, physical quantity measurement device, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2017·Granted Aug 27, 2019·0 cites·20 claims
- 2440US10305496B2Circuit device, physical quantity measurement apparatus, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2017·Granted May 28, 2019·0 cites·18 claims
- 2538US10403679B2Integrated circuit device, physical quantity measuring device, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2018·Granted Sep 3, 2019·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →