Inventor

HIROSAWA KAZUTOYO

JP2 patents

Patents

2 patents

US5216657AJun 1, 1993

Method and apparatus for timing variable optical information recording

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD87 citations95

US4841512AJun 20, 1989

Optical disk apparatus with an erase checking function

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations71