Inventor

HIGASHIYAMA KATSUHIKO

JP8 patents

Patents

8 patents

US6166596ADec 26, 2000

High efficiency power amplifying apparatus with phase compensation circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD65 citations95

US6091292AJul 18, 2000

High efficiency power amplifying apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92

US5453904ASep 26, 1995

Power control unit protection apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD69 citations90

US5818301AOct 6, 1998

Power amplifier arrangenment of a plural power supply switching type

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations87

US4424556AJan 3, 1984

Self-oscillating DC to DC converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations80

US5543998AAug 6, 1996

Temperature protected power transistor circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations72

US6140690AOct 31, 2000

Semiconductor device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations63

US6060947AMay 9, 2000

Hybrid IC device with wide dynamic range

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations41