Inventor · disambiguated record
Kei Yonezawa
Also filed as: YONEZAWA KEI
10 granted patents·3 pending applications·124 citations·filing 1995–2015
88Inventor score
Top patents by PatentIndex Score
13 records- 0188US9168841B2Method of receiving charge, method of controlling charge, charge control unit and charging equipmentKAWAI SHOJI·Filed 2011·Granted Oct 27, 2015·41 cites·20 claims
- 0280US6679423B2Electronic-money rewarding system for lost and found IC cardHITACHI LTD·Filed 2001·Granted Jan 20, 2004·19 cites·15 claims
- 0378US7525437B2Wireless signal receiverHITACHI LTD·Filed 2006·Granted Apr 28, 2009·9 cites·39 claims
- 0467US7157188B2BatterySONY CORP·Filed 2004·Granted Jan 2, 2007·7 cites·13 claims
- 0553US9997803B2Electrolyte and battery using the sameYONEZAWA KEI·Filed 2004·Granted Jun 12, 2018·3 cites·11 claims
- 0649US7442469B2Cathode active material and non-aqueous electrolyte secondary batterySONY CORP·Filed 2007·Granted Oct 28, 2008·0 cites·7 claims
- 0747US5932859AElectronic-money rewarding system for lost and found IC cardHITACHI LTD·Filed 1995·Granted Aug 3, 1999·29 cites·23 claims
- 0845US2015326040A1Method of receiving charge, method of controlling charge, charge control unit and charging equipmentHITACHI LTD·Filed 2015·Application pending·0 cites
- 0944US9450244B2Cathode active material with zirconium in crystal grain boundary of lithium cobalt complex oxideYONEZAWA KEI·Filed 2006·Granted Sep 20, 2016·0 cites·14 claims
- 1043US6273334B1Electronic-money rewarding system for lost and found IC cardHITACHI LTD·Filed 1999·Granted Aug 14, 2001·16 cites·7 claims
- 1139US8197968B2Cathode active material and batteryISHIMATSU TAKAHISA·Filed 2007·Granted Jun 12, 2012·0 cites·8 claims
- 1239US2003033390A1Program outputting methodHITACHI SEISAKUSHO CORP LTD·Filed 2002·Application pending·0 cites
- 1338US2008151163A1Optical compensation panel, method for manufacturing optical compensation panel and liquid crystal displaySONY CORP·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →