Inventor · disambiguated record
Hirofumi Yudahira
Also filed as: YUDAHIRA HIROFUMI
13 granted patents·314 citations·filing 2001–2009
93Inventor score
Top patents by PatentIndex Score
13 records- 0193US6639408B2Battery voltage measurement deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 28, 2003·68 cites·20 claims
- 0290US6639409B2Battery voltage measurement deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 28, 2003·51 cites·10 claims
- 0389US7242196B2Power supply controller apparatus for detecting welding of contactorsPANASONIC EV ENERGY CO LTD·Filed 2005·Granted Jul 10, 2007·35 cites·19 claims
- 0484US7521896B2Abnormal voltage detector apparatus for detecting voltage abnormality in assembled batteryPANASONIC EV ENERGY CO LTD·Filed 2005·Granted Apr 21, 2009·21 cites·14 claims
- 0579US6919726B2Leakage detection apparatus and motor carPANASONIC EV ENERGY CO LTD·Filed 2002·Granted Jul 19, 2005·35 cites·3 claims
- 0674US7710120B2Abnormal voltage detector apparatus for detecting voltage abnormality in assembled batteryPANASONIC EV ENERGY CO LTD·Filed 2009·Granted May 4, 2010·10 cites·7 claims
- 0772US7557585B2Abnormal voltage detection apparatus for detecting voltage abnormality in assembled batteryPANASONIC EV ENERGY CO LTD·Filed 2005·Granted Jul 7, 2009·11 cites·12 claims
- 0872US6677758B2Multiplex voltage measurement apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 13, 2004·32 cites·2 claims
- 0965US7388351B2Capacity equalizing apparatus for secondary batteriesPANASONIC EV ENERGY CO LTD·Filed 2005·Granted Jun 17, 2008·7 cites·10 claims
- 1061US6664761B2Battery voltage detection deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 16, 2003·10 cites·6 claims
- 1158US6762590B2Battery power source device and current detection method thereforPANASONIC EV ENERGY CO LTD·Filed 2002·Granted Jul 13, 2004·12 cites·5 claims
- 1256US6462550B2Battery voltage detection apparatus and detection methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 8, 2002·11 cites·13 claims
- 1353US6570387B2Multiplex voltage measurement apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 27, 2003·11 cites·1 claims
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