P

Inventor

URUNO JUNPEI

JP9 patents
⚠️ This page may combine multiple inventors who share the name “URUNO JUNPEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

6 patents
US7551462B2Jun 23, 2009

Soft switching DC-DC converter including a buck converter and a boost converter sharing a common transformer

HITACHI LTD25 citations92
US7557546B2Jul 7, 2009

Unidirectional DC-DC converter

HITACHI LTD13 citations83
US6448587B1Sep 10, 2002

Circuit incorporated IGBT and power conversion device using the same

HITACHI LTD14 citations83
US7051724B2May 30, 2006

Car-mounted igniter using IGBT

HITACHI LTD11 citations81
US6672295B2Jan 6, 2004

Vehicle-mounted ignitor

HITACHI LTD5 citations62
US6539928B2Apr 1, 2003

Vehicle-mounted ignitor

HITACHI LTD5 citations62

URUNO JUNPEI

2 patents
US8207717B2Jun 26, 2012

Buck-boost DC-DC converter with auxiliary inductors for zero current switching

URUNO JUNPEI50 citations92
US8614568B2Dec 24, 2013

Gate drive circuit of the voltage drive type semiconductor element and power converter

URUNO JUNPEI6 citations68

OKUBO TOSHIKAZU

1 patent
US8203322B2Jun 19, 2012

DC-DC converter

OKUBO TOSHIKAZU7 citations81