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Inventor

YAMAUCHI TOKUSHI

JP11 patents
⚠️ This page may combine multiple inventors who share the name “YAMAUCHI TOKUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC WORKS LTD

8 patents
US5914572AJun 22, 1999

Discharge lamp driving circuit having resonant circuit defining two resonance modes

MATSUSHITA ELECTRIC WORKS LTD100 citations98
US6057652AMay 2, 2000

Power supply for supplying AC output power

MATSUSHITA ELECTRIC WORKS LTD83 citations95
US6914395B2Jul 5, 2005

Electronic ballast for a high-pressure discharge lamp

MATSUSHITA ELECTRIC WORKS LTD54 citations92
US5644480AJul 1, 1997

Power source device

MATSUSHITA ELECTRIC WORKS LTD19 citations92
US5517399AMay 14, 1996

Power supply having a chopper with an improved power factor

MATSUSHITA ELECTRIC WORKS LTD55 citations91
US5502423AMar 26, 1996

Discharge lamp lighting device

MATSUSHITA ELECTRIC WORKS LTD31 citations90
US6118224ASep 12, 2000

Discharge lamp lighting device

MATSUSHITA ELECTRIC WORKS LTD19 citations83
US5995398ANov 30, 1999

Power supply device

MATSUSHITA ELECTRIC WORKS LTD15 citations73

MATSUSHITA ELECTRIC WORKS R &

2 patents
US5932976AAug 3, 1999

Discharge lamp driving

MATSUSHITA ELECTRIC WORKS R &238 citations96
US5959410ASep 28, 1999

Charge pump power factor correction circuit for power supply for gas discharge lamp

MATSUSHITA ELECTRIC WORKS R &41 citations91

PANASONIC ELEC WORKS CO LTD

1 patent
US7553162B2Jun 30, 2009

Socket for electronic component

PANASONIC ELEC WORKS CO LTD39 citations87