Inventor

NAGAI RYUTA

JP11 patents

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

FUJITSU SEMICONDUCTOR LTD

5 patents

US7843179B2Nov 30, 2010

Control circuit for synchronous rectifier-type DC-DC converter, synchronous rectifier-type DC-DC converter and control method thereof

FUJITSU SEMICONDUCTOR LTD27 citations92

US7821236B2Oct 26, 2010

Control circuit for detecting a reverse current in a DC-DC converter

FUJITSU SEMICONDUCTOR LTD25 citations92

US7956586B2Jun 7, 2011

Step-up/step-down type DC-DC converter, and control circuit and control method of the same

FUJITSU SEMICONDUCTOR LTD10 citations82

US7936156B2May 3, 2011

DC-DC converter and control method thereof

FUJITSU SEMICONDUCTOR LTD7 citations82

US7916503B2Mar 29, 2011

DC-DC converter, power supply voltage supplying method, and power supply voltage supplying system

FUJITSU SEMICONDUCTOR LTD3 citations62

CYPRESS SEMICONDUCTOR CORP

2 patents

US11521962B1Dec 6, 2022

ESD protection circuit

CYPRESS SEMICONDUCTOR CORP2 citations68

US11876090B2Jan 16, 2024

ESD protection circuit

CYPRESS SEMICONDUCTOR CORP0 citations57

FUJITSU MICROELECTRONICS LTD

1 patent

US7733074B2Jun 8, 2010

Control circuit of current mode DC-DC converter and control method of current mode DC-DC converter

FUJITSU MICROELECTRONICS LTD14 citations84

FUJITSU LTD

1 patent

US6731099B2May 4, 2004

DC-DC converter with control circuit capable of generating step-up and step-down signals

FUJITSU LTD7 citations71

NAGAI RYUTA

1 patent

US8314599B2Nov 20, 2012

DC/DC converter control circuit and DC/DC converter control method

NAGAI RYUTA6 citations66

FUTAMURA KAZUYOSHI

1 patent

US8988052B2Mar 24, 2015

Control circuit for power supply including a detection circuit and a regulation circuit for regulating switching timing

FUTAMURA KAZUYOSHI0 citations36