Inventor · disambiguated record
Fumihiko Maetani
Also filed as: MAETANI FUMIHIKO
22 granted patents·6 pending applications·31 citations·filing 2009–2022
91Inventor score
Top patents by PatentIndex Score
28 records- 0185US11275399B2Reference voltage circuit including depletion type and enhancement type transistors in a common centroid arrangementABLIC INC·Filed 2018·Granted Mar 15, 2022·4 cites·6 claims
- 0279US8618774B2Charge and discharge battery control circuitMAETANI FUMIHIKO·Filed 2010·Granted Dec 31, 2013·3 cites·4 claims
- 0375US9425789B1Reference voltage circuit and electronic deviceSII SEMICONDUCTOR CORP·Filed 2016·Granted Aug 23, 2016·4 cites·6 claims
- 0474US8384355B2Battery state monitoring circuit and battery deviceSEIKO INSTR INC·Filed 2010·Granted Feb 26, 2013·5 cites·2 claims
- 0573US8957638B2Battery control circuit responsive to external signal inputMAETANI FUMIHIKO·Filed 2012·Granted Feb 17, 2015·5 cites·4 claims
- 0672US9647465B2Charge and discharge control circuit and battery deviceSEIKO INSTR INC·Filed 2015·Granted May 9, 2017·2 cites·4 claims
- 0765US9647469B2Charge and discharge control circuit, charge and discharge control unit, and battery deviceSEIKO INSTR INC·Filed 2014·Granted May 9, 2017·2 cites·2 claims
- 0864US11043826B2Charge/discharge control circuit and battery device including the sameSII SEMICONDUCTOR CORP·Filed 2017·Granted Jun 22, 2021·1 cites·13 claims
- 0964US9007026B2Charge/discharge control circuit and battery deviceSAKURAI ATSUSHI·Filed 2011·Granted Apr 14, 2015·2 cites·6 claims
- 1061US9941717B2Battery deviceSII SEMICONDUCTOR CORP·Filed 2016·Granted Apr 10, 2018·1 cites·3 claims
- 1160US8710902B2Trimming circuit and semiconductor deviceSAKURAI ATSUSHI·Filed 2012·Granted Apr 29, 2014·1 cites·5 claims
- 1259US11245279B2Charge-discharge control circuit, charge-discharge control device, and battery deviceABLIC INC·Filed 2020·Granted Feb 8, 2022·0 cites·10 claims
- 1358US12424859B2Charge control circuit, charge control device, and battery deviceABLIC INC·Filed 2022·Granted Sep 23, 2025·0 cites·10 claims
- 1457US9065281B2Charge/discharge control circuit and battery deviceSAKURAI ATSUSHI·Filed 2011·Granted Jun 23, 2015·1 cites·9 claims
- 1553US10663996B2Constant current circuitABLIC INC·Filed 2019·Granted May 26, 2020·0 cites·3 claims
- 1653US2023085141A1Cell balance circuit, cell balance device, charge/discharge control circuit, charge/discharge control device, and battery deviceABLIC INC·Filed 2022·Application pending·0 cites
- 1752US2009185323A1Overheat protection circuitYOSHIKAWA KIYOSHI·Filed 2009·Application pending·0 cites
- 1850US9525296B2Battery state monitoring circuit and battery deviceSEIKO INSTR INC·Filed 2014·Granted Dec 20, 2016·0 cites·2 claims
- 1948US9748789B2Charging/discharging control circuit, charging/discharging control device, and battery deviceSEIKO INSTR INC·Filed 2014·Granted Aug 29, 2017·0 cites·5 claims
- 2047US10965135B2Charge/discharge control circuit and battery deviceABLIC INC·Filed 2018·Granted Mar 30, 2021·0 cites·5 claims
- 2147US2021184480A1Charge/discharge control device and battery apparatusABLIC INC·Filed 2020·Application pending·0 cites
- 2246US10826308B2Charge/discharge control device and battery apparatusABLIC INC·Filed 2018·Granted Nov 3, 2020·0 cites·6 claims
- 2344US10727681B2Charge/discharge control circuit and battery deviceABLIC INC·Filed 2018·Granted Jul 28, 2020·0 cites·6 claims
- 2444US9985447B2Battery deviceSII SEMICONDUCTOR CORP·Filed 2016·Granted May 29, 2018·0 cites·1 claims
- 2542US9673656B2Charge and discharge control circuit and battery deviceSEIKO INSTR INC·Filed 2015·Granted Jun 6, 2017·0 cites·8 claims
- 2642US2012056593A1Charge/discharge control circuit and battery deviceSAKURAI ATSUSHI·Filed 2011·Application pending·0 cites
- 2736US2016094059A1Charging/discharging control device and battery deviceSEIKO INSTR INC·Filed 2015·Application pending·0 cites
- 2836US2016094068A1Secondary battery protection circuit and battery deviceSEIKO INSTR INC·Filed 2015·Application pending·0 cites
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