Inventor · disambiguated record
Akira Sanpei
Also filed as: SANPEI AKIRA
10 granted patents·1 pending application·704 citations·filing 1991–2015
91Inventor score
Top patents by PatentIndex Score
11 records- 0193US5547775ACircuit for preventing overcharge and overdischarge of secondary batteriesSONY CORP·Filed 1994·Granted Aug 20, 1996·224 cites·8 claims
- 0288US5530336ABattery protection circuitSONY CORP·Filed 1993·Granted Jun 25, 1996·133 cites·6 claims
- 0388US5493197ABattery charge control circuitSONY CORP·Filed 1993·Granted Feb 20, 1996·152 cites·7 claims
- 0478US5304915AOvercharge preventing device and overdischarge preventing device for a secondary batterySONY CORP·Filed 1992·Granted Apr 19, 1994·77 cites·3 claims
- 0577US5237259ACharging method for secondary batterySONY CORP·Filed 1991·Granted Aug 17, 1993·76 cites·1 claims
- 0674US7339354B2Rechargeable battery charging method and apparatusSONY CORP·Filed 2005·Granted Mar 4, 2008·13 cites·6 claims
- 0765US5122751ADevice for detecting residual capacity of a battery both in load and no load conditionsSONY CORP·Filed 1991·Granted Jun 16, 1992·26 cites·7 claims
- 0857US8847550B2Control device and method and power supply deviceYANAGIHARA KAZUHARU·Filed 2011·Granted Sep 30, 2014·2 cites·6 claims
- 0953US7900083B2Disk array apparatus, disk array control method and disk array controllerFUJITSU LTD·Filed 2008·Granted Mar 1, 2011·1 cites·9 claims
- 1049USRE45919EControl device and method and power supply deviceSONY CORP·Filed 2015·Granted Mar 8, 2016·0 cites·19 claims
- 1143US2011293998A1Battery unitSATO BUNYA·Filed 2011·Application pending·0 cites
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