Inventor

YAMAGUCHI SHUICHIROH

JP4 patents

Patents

4 patents

US4805006AFeb 14, 1989

Light receiving element

MATSUSHITA ELECTRIC WORKS LTD71 citations93

US5057694AOct 15, 1991

Optoelectronic relay circuit having charging path formed by a switching transistor and a rectifying diode

MATSUSHITA ELECTRIC WORKS LTD37 citations90

US4801822AJan 31, 1989

Semiconductor switching circuit

MATSUSHITA ELECTRIC WORKS LTD35 citations90

US5151602ASep 29, 1992

Semiconductor relay circuit using photovoltaic diodes

MATSUSHITA ELECTRIC WORKS LTD16 citations72