Inventor

HIGO KAZUHIKO

JP3 patents

Patents

3 patents

US5790502AAug 4, 1998

Optical pickup with conversion of diffusion angle of outgoing light relative to diffusion angle of incident light

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD143 citations96

US5978344ANov 2, 1999

Method of manufacturing integrated optical pick-up

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations71

US5777975AJul 7, 1998

Optical pickup incorporating an integrated optical guide member

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations69