Inventor · disambiguated record
Akira Haraguchi
Also filed as: HARAGUCHI AKIRA
34 granted patents·6 pending applications·456 citations·filing 2000–2022
96Inventor score
Files withAUTONETWORKS TECHNOLOGIES LTD26FUJITSU LTD9SUMITOMO WIRING SYSTEMS2FUJITSU MICROELECTRONICS LTD1FUJITSU SEMICONDUCTOR LTD1
Top patents by PatentIndex Score
40 records- 0197US6346795B2Discharge control circuit of batteriesFUJITSU LTD·Filed 2001·Granted Feb 12, 2002·244 cites·13 claims
- 0284US6850674B2Optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Feb 1, 2005·32 cites·54 claims
- 0381US6373225B1Charge circuit that performs charge control by comparing a plurality of battery voltagesFUJITSU LTD·Filed 2001·Granted Apr 16, 2002·50 cites·15 claims
- 0478US6696821B2DC-DC converter, duty-ratio setting circuit and electric appliance using themFUJITSU LTD·Filed 2003·Granted Feb 24, 2004·34 cites·18 claims
- 0575US10749323B2Electrical junction boxAUTONETWORKS TECHNOLOGIES LTD·Filed 2017·Granted Aug 18, 2020·2 cites·6 claims
- 0672US6396246B2Charge/discharge control circuit and secondary batteryFUJITSU LTD·Filed 2001·Granted May 28, 2002·25 cites·16 claims
- 0771US7084700B2Differential voltage amplifier circuitFUJITSU LTD·Filed 2005·Granted Aug 1, 2006·7 cites·13 claims
- 0869US11222763B2Temperature fuse and electrical junction boxAUTONETWORKS TECHNOLOGIES LTD·Filed 2018·Granted Jan 11, 2022·2 cites·9 claims
- 0968US6194871B1Charge and discharge control circuit and apparatus for secondary batteryFUJITSU LTD·Filed 2000·Granted Feb 27, 2001·23 cites·18 claims
- 1065US7092226B2Constant-voltage power supply circuitFUJITSU LTD·Filed 2005·Granted Aug 15, 2006·4 cites·16 claims
- 1160US9788441B2Switching deviceSUMITOMO WIRING SYSTEMS·Filed 2015·Granted Oct 10, 2017·1 cites·2 claims
- 1259US7176663B2Control circuit for DC/DC converterFUJITSU LTD·Filed 2003·Granted Feb 13, 2007·14 cites·19 claims
- 1358US12166339B2Circuit structureAUTONETWORKS TECHNOLOGIES LTD·Filed 2021·Granted Dec 10, 2024·0 cites·6 claims
- 1458US11554732B2Electrical junction boxAUTONETWORKS TECHNOLOGIES LTD·Filed 2019·Granted Jan 17, 2023·0 cites·8 claims
- 1557US12424603B2Circuit deviceAUTONETWORKS TECHNOLOGIES LTD·Filed 2022·Granted Sep 23, 2025·0 cites·13 claims
- 1657US12262497B2Circuit structureAUTONETWORKS TECHNOLOGIES LTD·Filed 2021·Granted Mar 25, 2025·0 cites·16 claims
- 1755US12500362B2Circuit structureAUTONETWORKS TECHNOLOGIES LTD·Filed 2021·Granted Dec 16, 2025·0 cites·7 claims
- 1855US11445602B2Flexible circuit board on bus barsAUTONETWORKS TECHNOLOGIES LTD·Filed 2019·Granted Sep 13, 2022·0 cites·14 claims
- 1955US11102887B2Electrical connection deviceAUTONETWORKS TECHNOLOGIES LTD·Filed 2018·Granted Aug 24, 2021·0 cites·8 claims
- 2055US9969291B2Switching boardAUTONETWORKS TECHNOLOGIES LTD·Filed 2014·Granted May 15, 2018·1 cites·2 claims
- 2154US9930782B2Switching boardSUMITOMO WIRING SYSTEMS·Filed 2015·Granted Mar 27, 2018·1 cites·5 claims
- 2253US12040245B2Circuit board and method for manufacturing electrical connection box including circuit boardAUTONETWORKS TECHNOLOGIES LTD·Filed 2020·Granted Jul 16, 2024·0 cites·4 claims
- 2353US11898915B2Circuit assemblyAUTONETWORKS TECHNOLOGIES LTD·Filed 2019·Granted Feb 13, 2024·0 cites·7 claims
- 2452US11343913B2Circuit board structureAUTONETWORKS TECHNOLOGIES LTD·Filed 2019·Granted May 24, 2022·0 cites·9 claims
- 2552US11160195B2Electrical junction boxAUTONETWORKS TECHNOLOGIES LTD·Filed 2018·Granted Oct 26, 2021·0 cites·6 claims
- 2652USRE41915ECharge/discharge control circuit and secondary batteryFUJITSU SEMICONDUCTOR LTD·Filed 2004·Granted Nov 9, 2010·6 cites·26 claims
- 2751US11924960B2Circuit board and method for manufacturing circuit boardAUTONETWORKS TECHNOLOGIES LTD·Filed 2018·Granted Mar 5, 2024·0 cites·13 claims
- 2851US6882133B2DC/DC converter control circuits and DC/DC converter systems with power saving mode in accordance with an external control signalFUJITSU LTD·Filed 2002·Granted Apr 19, 2005·9 cites·33 claims
- 2950US12027500B2Circuit structure and electrical junction boxAUTONETWORKS TECHNOLOGIES LTD·Filed 2019·Granted Jul 2, 2024·0 cites·15 claims
- 3048US2022408545A1Heat transfer member-equipped substrate and method for manufacturing heat transfer member-equipped substateAUTONETWORKS TECHNOLOGIES LTD·Filed 2020·Application pending·0 cites
- 3144US2021378105A1Circuit board and method for manufacturing circuit boardAUTONETWORKS TECHNOLOGIES LTD·Filed 2018·Application pending·0 cites
- 3243US10576912B2Circuit assembly and electrical junction boxAUTONETWORKS TECHNOLOGIES LTD·Filed 2016·Granted Mar 3, 2020·0 cites·4 claims
- 3343US7701178B2Charge control that keeps constant input voltage supplied to battery packFUJITSU MICROELECTRONICS LTD·Filed 2004·Granted Apr 20, 2010·1 cites·18 claims
- 3441US10609811B2Circuit deviceAUTONETWORKS TECHNOLOGIES LTD·Filed 2018·Granted Mar 31, 2020·0 cites·11 claims
- 3541US10141660B2Electrical connection box and connection terminal componentAUTONETWORKS TECHNOLOGIES LTD·Filed 2016·Granted Nov 27, 2018·0 cites·4 claims
- 3641US2022022337A1Circuit boardAUTONETWORKS TECHNOLOGIES LTD·Filed 2019·Application pending·0 cites
- 3741US2021358852A1Circuit substrateAUTONETWORKS TECHNOLOGIES LTD·Filed 2019·Application pending·0 cites
- 3840US10930578B2Circuit deviceAUTONETWORKS TECHNOLOGIES LTD·Filed 2018·Granted Feb 23, 2021·0 cites·7 claims
- 3938US2018370463A1Circuit assembly and electrical junction boxAUTONETWORKS TECHNOLOGIES LTD·Filed 2016·Application pending·0 cites
- 4034US2018026381A1Electrical connection box and connection terminal componentAUTONETWORKS TECHNOLOGIES LTD·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Akira Haraguchi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →