Inventor
TATEISHI TETSUO
JP59 patents
⚠️ This page may combine multiple inventors who share the name “TATEISHI TETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROHM CO LTD
23 patentsUS10491099B2Nov 26, 2019
Switching regulator
ROHM CO LTD9 citations84
US12040709B2Jul 16, 2024
Switching power supply device
ROHM CO LTD3 citations74
US11398771B2Jul 26, 2022
Switching regulator control circuit enabling fault protection operation, current-mode-control switching power supply device, and vehicle
ROHM CO LTD2 citations73
US11068003B2Jul 20, 2021
Differential amplifier
ROHM CO LTD3 citations73
US10355589B2Jul 16, 2019
Switching regulator
ROHM CO LTD3 citations73
US10284087B2May 7, 2019
Step-up/step-down DC-DC converter
ROHM CO LTD2 citations73
US12047045B2Jul 23, 2024
Switching power supply, semiconductor integrated circuit device, and differential input circuit
ROHM CO LTD1 citations72
US11664775B2May 30, 2023
Switching power supply, semiconductor integrated circuit device, and differential input circuit
ROHM CO LTD2 citations72
US11405008B2Aug 2, 2022
Switching power supply, semiconductor integrated circuit device, and differential input circuit
ROHM CO LTD3 citations72
US10560017B2Feb 11, 2020
Charge pump, switch driver device, lighting device, and vehicle
ROHM CO LTD4 citations72
US9954442B2Apr 24, 2018
Comparator circuit, power supply control IC, and switching power supply device
ROHM CO LTD2 citations72
US9876426B2Jan 23, 2018
On-period setting circuit, power control IC, and switching power supply device
ROHM CO LTD3 citations72
US9819895B2Nov 14, 2017
Switching power supply device
ROHM CO LTD5 citations72
US12034364B2Jul 9, 2024
Switching regulator provided with a fault protector
ROHM CO LTD0 citations63
US10218269B2Feb 26, 2019
Switching regulator and integrated-circuit package
ROHM CO LTD1 citations63
US11772586B2Oct 3, 2023
Linear power supply circuit
ROHM CO LTD0 citations62
US11338747B2May 24, 2022
Linear power supply circuit
ROHM CO LTD0 citations62
US10320292B2Jun 11, 2019
Phase compensation circuit and DC/DC converter using the same
ROHM CO LTD1 citations62
US10548192B2Jan 28, 2020
Light-emitting element driving device, semiconductor device, light-emitting device, and liquid crystal display device
ROHM CO LTD1 citations61
US10498243B2Dec 3, 2019
Comparator circuit, power supply control IC, and switching power supply device
ROHM CO LTD1 citations61
US12230462B2Feb 18, 2025
Pulse control device
ROHM CO LTD0 citations59
US11532449B2Dec 20, 2022
Pulse control device
ROHM CO LTD0 citations59
US12556093B2Feb 17, 2026
Switching power supply device, switching control device, and vehicle-mounted appliance
ROHM CO LTD0 citations51
TEXAS INSTRUMENTS INC
13 patentsUS6977488B1Dec 20, 2005
DC-DC converter
TEXAS INSTRUMENTS INC79 citations97
US7595624B2Sep 29, 2009
Slope compensation for switching regulator
TEXAS INSTRUMENTS INC86 citations94
US7652461B2Jan 26, 2010
High efficiency power converter operating free of an audible frequency range
TEXAS INSTRUMENTS INC38 citations93
US6812676B2Nov 2, 2004
DC-DC converter and controller for DC-DC converter
TEXAS INSTRUMENTS INC46 citations93
US6642696B2Nov 4, 2003
DC-DC converter with a feedback controller
TEXAS INSTRUMENTS INC43 citations93
US9423808B2Aug 23, 2016
DC to DC converter with pseudo constant switching frequency
TEXAS INSTRUMENTS INC7 citations84
US7009440B2Mar 7, 2006
Pulse signal generator and display device
TEXAS INSTRUMENTS INC11 citations84
US9389625B2Jul 12, 2016
DC-DC converter controller apparatus with dual-counter digital integrator
TEXAS INSTRUMENTS INC15 citations83
US7903433B2Mar 8, 2011
Current balancing for multi-phase converters
TEXAS INSTRUMENTS INC12 citations83
US6989999B2Jan 24, 2006
Charge pump type DC/DC converter having stepwise adjustable output voltage
TEXAS INSTRUMENTS INC19 citations83
US6924633B2Aug 2, 2005
Pulse width modulation controller with double pulse immunity
TEXAS INSTRUMENTS INC11 citations74
US9240720B2Jan 19, 2016
Emulation based ripple cancellation for a DC-DC converter
TEXAS INSTRUMENTS INC5 citations73
US9160229B2Oct 13, 2015
DC-DC converter
TEXAS INSTRUMENTS INC5 citations72
TOYODA AUTOMATIC LOOM WORKS
9 patentsUS5912552AJun 15, 1999
DC to DC converter with high efficiency for light loads
TOYODA AUTOMATIC LOOM WORKS395 citations99
US6469481B1Oct 22, 2002
Parallel RC current detection circuit and DC/DC converter with a parallel RC current detection circuit
TOYODA AUTOMATIC LOOM WORKS121 citations98
US6057675AMay 2, 2000
DC/DC converter
TOYODA AUTOMATIC LOOM WORKS124 citations98
US6348833B1Feb 19, 2002
Soft starting reference voltage circuit
TOYODA AUTOMATIC LOOM WORKS59 citations94
US6140801AOct 31, 2000
Circuit and method for charging a battery based on an allowable dissipation of a housing
TOYODA AUTOMATIC LOOM WORKS49 citations92
US6348783B2Feb 19, 2002
DC/DC converter for suppressing effects of spike noise
TOYODA AUTOMATIC LOOM WORKS9 citations74
US5023693AJun 11, 1991
Transistor with current sensing function
TOYODA AUTOMATIC LOOM WORKS13 citations74
US6320364B1Nov 20, 2001
Current source circuit
TOYODA AUTOMATIC LOOM WORKS10 citations69
US5262688ANov 16, 1993
Operational amplifier circuit
TOYODA AUTOMATIC LOOM WORKS4 citations63
TATEISHI TETSUO
4 patentsUS8278889B2Oct 2, 2012
Adaptive rectifier architecture and method for switching regulators
TATEISHI TETSUO25 citations92
US8299588B1Oct 30, 2012
Structure and method for uniform current distribution in power supply module
TATEISHI TETSUO37 citations91
US8476887B2Jul 2, 2013
DC to DC converter with pseudo constant switching frequency
TATEISHI TETSUO9 citations83
US8058860B2Nov 15, 2011
Single pin multi-VID bit interface circuit for dynamic voltage change of a DC/DC converter
TATEISHI TETSUO2 citations62
CARPENTER BRIAN ASHLEY
1 patentShowing the top 50 of 59 patents by PatentIndex Score.