Inventor
SUDO MINORU
JP28 patents
⚠️ This page may combine multiple inventors who share the name “SUDO MINORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO INSTR INC
24 patentsUS6980181B2Dec 27, 2005
LED drive circuit
SEIKO INSTR INC111 citations98
US5742148AApr 21, 1998
Charge/discharge control circuit and chargeable electric power source apparatus
SEIKO INSTR INC77 citations97
US6242890B1Jun 5, 2001
Charge/discharge control circuit and chargeable electric power source apparatus
SEIKO INSTR INC56 citations96
US6181108B1Jan 30, 2001
Overcharge/overdischarge detecting circuit having current detecting means with latch function and chargeable electric power source apparatus
SEIKO INSTR INC29 citations96
US6100675AAug 8, 2000
Switching regulator capable of increasing regulator efficiency under light load
SEIKO INSTR INC85 citations96
US6087807AJul 11, 2000
Charge/discharge control circuit and chargeable electric power source apparatus
SEIKO INSTR INC27 citations96
US6054841AApr 25, 2000
Charge/discharge control circuit and chargeable electric power source apparatus
SEIKO INSTR INC25 citations96
US5998974ADec 7, 1999
Charge/discharge control circuit and chargeable electric power source apparatus
SEIKO INSTR INC41 citations96
US5841265ANov 24, 1998
Charge/discharge control circuit and chargeable electric power source apparatus
SEIKO INSTR INC29 citations96
US6801033B2Oct 5, 2004
Voltage converter having switching element with variable substrate potential
SEIKO INSTR INC21 citations93
US6586958B2Jul 1, 2003
Voltage converter having switching element with variable substrate potential
SEIKO INSTR INC21 citations93
US7956593B2Jun 7, 2011
Power generation circuit using electromagnetic wave
SEIKO INSTR INC21 citations92
US6281668B1Aug 28, 2001
Switching regulator control circuit of PFM system and switching regulator thereof
SEIKO INSTR INC36 citations92
US6208123B1Mar 27, 2001
Voltage regulator with clamp circuit
SEIKO INSTR INC36 citations92
US6127808AOct 3, 2000
Overcharge/overdischarge detecting circuit having a reset means and chargeable electric power source apparatus
SEIKO INSTR INC23 citations92
US6097177AAug 1, 2000
Charge/discharge control circuit and chargeable electric power source apparatus
SEIKO INSTR INC27 citations92
US6078170AJun 20, 2000
Switching regulator control circuit of PWM system and switching regulator thereof
SEIKO INSTR INC27 citations92
US7225675B2Jun 5, 2007
Capacitance type dynamic quantity sensor
SEIKO INSTR INC13 citations84
US6275014B1Aug 14, 2001
Switching regulator circuit capable of eliminating power supply recharging operation by reverse coil current
SEIKO INSTR INC18 citations84
US7855429B2Dec 21, 2010
Electronic circuit device having silicon substrate
SEIKO INSTR INC15 citations83
US5982150ANov 9, 1999
Charge/discharge control circuit and chargeable electric power source apparatus
SEIKO INSTR INC13 citations82
US7594435B2Sep 29, 2009
Humidity sensor and semiconductor device including the same
SEIKO INSTR INC7 citations74
US7095212B2Aug 22, 2006
Battery pack with a remaining battery power calculating function
SEIKO INSTR INC8 citations74
US6300751B1Oct 9, 2001
Switching regulator control circuit avoiding break-down of the switching element
SEIKO INSTR INC2 citations63