Inventor
TOMIOKA TSUTOMU
JP34 patents
⚠️ This page may combine multiple inventors who share the name “TOMIOKA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ABLIC INC
15 patentsUS10637344B2Apr 28, 2020
Voltage regulator
ABLIC INC3 citations73
US10571942B2Feb 25, 2020
Overcurrent limiting circuit, overcurrent limiting method, and power supply circuit
ABLIC INC3 citations72
US10831219B2Nov 10, 2020
Voltage regulator
ABLIC INC3 citations71
US12268032B2Apr 1, 2025
Electrostatic protection circuit and semiconductor device
ABLIC INC0 citations62
US11791330B2Oct 17, 2023
Electrostatic protection circuit and semiconductor device
ABLIC INC0 citations62
US11662761B2May 30, 2023
Reference voltage circuit
ABLIC INC1 citations60
US11012041B2May 18, 2021
Differential amplifier circuit
ABLIC INC1 citations59
US10914783B2Feb 9, 2021
Test circuit and semiconductor device
ABLIC INC0 citations59
US11809208B2Nov 7, 2023
Shunt regulator
ABLIC INC0 citations51
US11402863B2Aug 2, 2022
Reference voltage circuit
ABLIC INC0 citations51
US11994892B2May 28, 2024
Shunt regulator
ABLIC INC0 citations50
US11025047B2Jun 1, 2021
Backflow prevention circuit and power supply circuit
ABLIC INC0 citations49
US10444777B2Oct 15, 2019
Reverse-current-prevention circuit and power supply circuit
ABLIC INC0 citations41
US10613562B2Apr 7, 2020
Voltage regulator including fault detection circuit
ABLIC INC0 citations39
US10591942B2Mar 17, 2020
Voltage regulator and method of controlling voltage regulator
ABLIC INC0 citations39
SEIKO INSTR INC
15 patentsUS9172332B2Oct 27, 2015
Operational amplifier circuit
SEIKO INSTR INC4 citations72
US9367073B2Jun 14, 2016
Voltage regulator
SEIKO INSTR INC4 citations68
US9323262B2Apr 26, 2016
Voltage regulator
SEIKO INSTR INC2 citations62
US9831757B2Nov 28, 2017
Voltage regulator
SEIKO INSTR INC0 citations52
US9811105B2Nov 7, 2017
Reference voltage circuit
SEIKO INSTR INC0 citations52
US9671802B2Jun 6, 2017
Voltage regulator having overshoot suppression
SEIKO INSTR INC1 citations52
US9400515B2Jul 26, 2016
Voltage regulator and electronic apparatus
SEIKO INSTR INC1 citations52
US9059699B2Jun 16, 2015
Power supply switching circuit
SEIKO INSTR INC0 citations52
US9543905B2Jan 10, 2017
Amplifier circuit
SEIKO INSTR INC0 citations51
US9219451B2Dec 22, 2015
Operational amplifier circuit
SEIKO INSTR INC1 citations51
US9983067B2May 29, 2018
Overheat detection circuit and semiconductor device
SEIKO INSTR INC0 citations48
US9798341B2Oct 24, 2017
Voltage regulator and semiconductor device
SEIKO INSTR INC0 citations41
US9455628B2Sep 27, 2016
Voltage regulator with overshoot suppression circuit and capability to stop overshoot suppression
SEIKO INSTR INC0 citations41
US9386246B2Jul 5, 2016
Photoelectric conversion device and image sensor
SEIKO INSTR INC0 citations41
US9367074B2Jun 14, 2016
Voltage regulator capable of stabilizing an output voltage even when a power supply fluctuates
SEIKO INSTR INC0 citations41