P

Inventor

YAMANAKA YUKIO

JP7 patents
⚠️ This page may combine multiple inventors who share the name “YAMANAKA YUKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC WORKS LTD

4 patents
US5517399AMay 14, 1996

Power supply having a chopper with an improved power factor

MATSUSHITA ELECTRIC WORKS LTD55 citations91
US5182702AJan 26, 1993

Inverter device

MATSUSHITA ELECTRIC WORKS LTD31 citations91
US5406471AApr 11, 1995

AC-to-DC converter incorporating a chopper and charge-pump circuit combination

MATSUSHITA ELECTRIC WORKS LTD42 citations90
US6943502B2Sep 13, 2005

Electronic ballast for a discharge lamp

MATSUSHITA ELECTRIC WORKS LTD24 citations89

STANLEY ELECTRIC CO LTD

1 patent
US4682072AJul 21, 1987

Headlamp for vehicle

STANLEY ELECTRIC CO LTD6 citations59

HITACHI MAXELL

1 patent
US7159785B2Jan 9, 2007

Core piece and non-contact communication type information carrier using the core piece

HITACHI MAXELL5 citations56

TANAKA HIDEMI

1 patent
US8337062B2Dec 25, 2012

LED lighting unit and vehicle lamp

TANAKA HIDEMI4 citations52