Assignee
TOYO SYSTEM CO LTD
JP·22 granted patents·15 pending applications·308 citations·filing 1997–2025
Top patents by PatentIndex Score
37 records- 0192US6404168B1Auxiliary battery for portable devicesTOYO SYSTEM CO LTD·Filed 2001·Granted Jun 11, 2002·66 cites·11 claims
- 0291US5831507ADual-functional fuse unit that is responsive to electric current and ambient temperatureTOYO SYSTEM CO LTD·Filed 1997·Granted Nov 3, 1998·102 cites·9 claims
- 0389US7974797B2Method and apparatus for confirming the charge amount and degradation state of a battery, a storage medium, an information processing apparatus, and an electronic apparatusTOYO SYSTEM CO LTD·Filed 2008·Granted Jul 5, 2011·18 cites·13 claims
- 0488US2026086169A1Battery state determination method and battery state determination deviceTOYO SYSTEM CO LTD·Filed 2025·Application pending·0 cites
- 0577US11085971B2Degradation state determination device and degradation state determination methodTOYO SYSTEM CO LTD·Filed 2018·Granted Aug 10, 2021·1 cites·6 claims
- 0677US6181100B1Power supply apparatus for charging and discharging battery with high energy efficiencyTOYO SYSTEM CO LTD·Filed 1999·Granted Jan 30, 2001·84 cites·8 claims
- 0773US7429849B2Method and apparatus for confirming the charge amount and degradation state of a battery, a storage medium, an information processing apparatus, and an electronic apparatusTOYO SYSTEM CO LTD·Filed 2003·Granted Sep 30, 2008·17 cites·12 claims
- 0872US9312770B2Power converterTOYO SYSTEM CO LTD·Filed 2014·Granted Apr 12, 2016·3 cites·8 claims
- 0965US12553954B2Battery state determination method and battery state determination deviceTOYO SYSTEM CO LTD·Filed 2022·Granted Feb 17, 2026·0 cites·10 claims
- 1062US9112412B2Full-bridge power converterTOYO SYSTEM CO LTD·Filed 2013·Granted Aug 18, 2015·2 cites·2 claims
- 1161US2025385327A1Battery test apparatusTOYO SYSTEM CO LTD·Filed 2022·Application pending·0 cites
- 1258US2025093423A1Battery performance evaluation device and battery performance evaluation methodTOYO SYSTEM CO LTD·Filed 2022·Application pending·0 cites
- 1356US12092696B2Simulated battery construction method and simulated battery construction deviceTOYO SYSTEM CO LTD·Filed 2020·Granted Sep 17, 2024·0 cites·15 claims
- 1453US2025383409A1Diagnosis device for on-vehicle secondary batteryTOYO SYSTEM CO LTD·Filed 2024·Application pending·0 cites
- 1552US2026005533A1Secondary battery activation systemTOYO SYSTEM CO LTD·Filed 2023·Application pending·0 cites
- 1652US2024377460A1Secondary battery capacity estimation systemTOYO SYSTEM CO LTD·Filed 2022·Application pending·0 cites
- 1751US12449480B2Battery test device and battery charge testing methodTOYO SYSTEM CO LTD·Filed 2022·Granted Oct 21, 2025·0 cites·5 claims
- 1849US12072385B2Charge and discharge testing deviceTOYO SYSTEM CO LTD·Filed 2021·Granted Aug 27, 2024·0 cites·8 claims
- 1949US2022405719A1Used secondary battery reuse systemTOYO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 2048US2022260614A1Current detectorTOYO SYSTEM CO LTD·Filed 2022·Application pending·0 cites
- 2147US12476478B2Battery charge/discharge testing device and battery discharge power control methodTOYO SYSTEM CO LTD·Filed 2022·Granted Nov 18, 2025·0 cites·7 claims
- 2247US11977128B2Used battery unit depositoryTOYO SYSTEM CO LTD·Filed 2021·Granted May 7, 2024·0 cites·5 claims
- 2345US12306257B2Battery performance evaluation device, electronic apparatus, charger, and battery performance evaluation methodTOYO SYSTEM CO LTD·Filed 2021·Granted May 20, 2025·0 cites·11 claims
- 2445US12169225B2Secondary battery inspection method and secondary battery inspection deviceTOYO SYSTEM CO LTD·Filed 2021·Granted Dec 17, 2024·0 cites·4 claims
- 2545US2022358551A1Battery recycling support systemTOYO SYSTEM CO LTD·Filed 2020·Application pending·0 cites
- 2645US2022404425A1State output systemTOYO SYSTEM CO LTD·Filed 2020·Application pending·0 cites
- 2745US2024377458A1Battery performance evaluation device and battery performance evaluation methodTOYO SYSTEM CO LTD·Filed 2022·Application pending·0 cites
- 2845US2022404427A1Simulated battery control device, electronic apparatus, charger, and simulated battery control methodTOYO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 2944US11774511B2Battery performance evaluation method and battery performance evaluation deviceTOYO SYSTEM CO LTD·Filed 2020·Granted Oct 3, 2023·0 cites·6 claims
- 3044US6140905AElectrically conductive contact pin having a temperature fuse functionTOYO SYSTEM CO LTD·Filed 1999·Granted Oct 31, 2000·15 cites·9 claims
- 3144US2023246469A1Used battery unit holder, and used battery unit storage systemTOYO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 3242US2023360116A1Battery lease systemTOYO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 3341US10234830B2Feedback control deviceTOYO SYSTEM CO LTD·Filed 2014·Granted Mar 19, 2019·0 cites·6 claims
- 3440US2014133206A1Full-bridge power converterTOYO SYSTEM CO LTD·Filed 2013·Application pending·0 cites
- 3539US11630160B2Battery residual value display deviceTOYO SYSTEM CO LTD·Filed 2020·Granted Apr 18, 2023·0 cites·4 claims
- 3637US11933857B2Battery residual value determination systemTOYO SYSTEM CO LTD·Filed 2020·Granted Mar 19, 2024·0 cites·2 claims
- 3737US9391573B2Digital AGC control method and feedback control apparatusTOYO SYSTEM CO LTD·Filed 2013·Granted Jul 12, 2016·0 cites·10 claims
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