P

Inventor

HAMAMOTO KATSUNOBU

JP12 patents
⚠️ This page may combine multiple inventors who share the name “HAMAMOTO KATSUNOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC WORKS LTD

4 patents
US7378804B2May 27, 2008

Ballast for a discharge lamp with integrated control circuit for controlling switching element of dc power supply and inverter circuit

MATSUSHITA ELECTRIC WORKS LTD27 citations91
US6949885B2Sep 27, 2005

Discharge lamp lighting device and lighting apparatus

MATSUSHITA ELECTRIC WORKS LTD33 citations91
US7436123B2Oct 14, 2008

Discharge lamp ballast device and lighting appliance

MATSUSHITA ELECTRIC WORKS LTD13 citations82
US6696798B2Feb 24, 2004

Ballast circuit for operating a discharge lamp

MATSUSHITA ELECTRIC WORKS LTD17 citations82

PANASONIC CORP

3 patents
US9167642B2Oct 20, 2015

LED lighting device and illuminating apparatus using the same

PANASONIC CORP3 citations62
US9167661B2Oct 20, 2015

Power supply device and lighting device and lighting fixture using the same

PANASONIC CORP0 citations41
US9167665B2Oct 20, 2015

Lighting device, lighting apparatus using the same, and lighting system

PANASONIC CORP0 citations40

SAKO HIROYUKI

1 patent
US8575857B2Nov 5, 2013

LED lighting device

SAKO HIROYUKI5 citations67

PANASONIC IP MAN CO LTD

1 patent
US9615414B2Apr 4, 2017

Power supply device and illumination device

PANASONIC IP MAN CO LTD3 citations66

HAMAMOTO KATSUNOBU

1 patent
US8853949B2Oct 7, 2014

LED driver with end-of-life detection circuitry

HAMAMOTO KATSUNOBU2 citations55

TERASAKA HIROSHI

1 patent
US9066407B2Jun 23, 2015

Power source unit for LED lamps, and LED lamp system

TERASAKA HIROSHI0 citations46

SASAKAWA TOMOHIRO

1 patent
US8648544B2Feb 11, 2014

Illumination lighting apparatus, illumination apparatus, and illumination system

SASAKAWA TOMOHIRO0 citations36