Inventor
KOIKE TOSHIYUKI
JP35 patents
⚠️ This page may combine multiple inventors who share the name “KOIKE TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO INSTR INC
18 patentsUS7719235B2May 18, 2010
Charge/discharge protection circuit and power-supply unit
SEIKO INSTR INC10 citations84
US7550947B2Jun 23, 2009
Battery state monitoring circuit and battery device
SEIKO INSTR INC8 citations84
US6725436B2Apr 20, 2004
Resistor circuit
SEIKO INSTR INC14 citations84
US9812743B2Nov 7, 2017
Battery state monitoring circuit and battery device
SEIKO INSTR INC2 citations73
US9647465B2May 9, 2017
Charge and discharge control circuit and battery device
SEIKO INSTR INC2 citations73
US8384355B2Feb 26, 2013
Battery state monitoring circuit and battery device
SEIKO INSTR INC5 citations72
US8378635B2Feb 19, 2013
Semiconductor device and rechargeable power supply unit
SEIKO INSTR INC2 citations63
US7928694B2Apr 19, 2011
Charging and discharging control circuit and charging type power supply device
SEIKO INSTR INC2 citations63
US7791315B2Sep 7, 2010
Battery state monitoring circuit and battery device
SEIKO INSTR INC6 citations63
US7737663B2Jun 15, 2010
Charging and discharging control circuit and charging type power supply device
SEIKO INSTR INC4 citations63
US7990669B2Aug 2, 2011
Battery protection circuit and battery device
SEIKO INSTR INC2 citations62
US7923968B2Apr 12, 2011
Charge and discharge control circuit and rechargeable power supply device
SEIKO INSTR INC2 citations62
US9401607B2Jul 26, 2016
Charge and discharge control circuit and battery device
SEIKO INSTR INC0 citations42
US9214821B2Dec 15, 2015
Charge/discharge control circuit and battery device
SEIKO INSTR INC0 citations42
US9203119B2Dec 1, 2015
Battery device
SEIKO INSTR INC0 citations42
US9748789B2Aug 29, 2017
Charging/discharging control circuit, charging/discharging control device, and battery device
SEIKO INSTR INC0 citations41
US9673656B2Jun 6, 2017
Charge and discharge control circuit and battery device
SEIKO INSTR INC0 citations41
US9525296B2Dec 20, 2016
Battery state monitoring circuit and battery device
SEIKO INSTR INC0 citations41
SAKURAI ATSUSHI
3 patentsUS8896268B2Nov 25, 2014
Charge/discharge control circuit and battery assembly
SAKURAI ATSUSHI15 citations84
US9007026B2Apr 14, 2015
Charge/discharge control circuit and battery device
SAKURAI ATSUSHI2 citations62
US9065281B2Jun 23, 2015
Charge/discharge control circuit and battery device
SAKURAI ATSUSHI1 citations51