Inventor

OKA TOMOHIRO

JP11 patents

⚠️ This page may combine multiple inventors who share the name “OKA TOMOHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO INSTR INC

7 patents

US6580253B2Jun 17, 2003

Boosting and step-down switching regulator controlling circuit and boosting and step-down switching regulator for use in the same

SEIKO INSTR INC25 citations91

US9571094B2Feb 14, 2017

Switch circuit

SEIKO INSTR INC2 citations69

US7835188B2Nov 16, 2010

Semiconductor memory device

SEIKO INSTR INC2 citations62

US8797070B2Aug 5, 2014

Power-on reset circuit

SEIKO INSTR INC1 citations49

US9274170B2Mar 1, 2016

Semiconductor device

SEIKO INSTR INC0 citations39

US9054683B2Jun 9, 2015

Boosting circuit

SEIKO INSTR INC0 citations39

US7911259B2Mar 22, 2011

Voltage switching circuit

SEIKO INSTR INC0 citations39

WATANABE KOTARO

1 patent

US8179729B2May 15, 2012

Memory circuit and voltage detection circuit including the same

WATANABE KOTARO1 citations49

ABLIC INC

1 patent

US10908193B2Feb 2, 2021

Zero cross detection circuit and sensor device

ABLIC INC0 citations47

TERUMO CORP

1 patent

US12592079B2Mar 31, 2026

Program, information processing device, information processing system, and information processing method

TERUMO CORP0 citations43

OTANI AYAKA

1 patent

US8203378B2Jun 19, 2012

Boosting circuit

OTANI AYAKA0 citations33