Inventor

SOGAWA FUMIHIRO

JP3 patents

Patents

3 patents

US5301059AApr 5, 1994

Short-wavelength light generating apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92

US5161148ANov 3, 1992

Optical pick-up using wavelength guide with grating coupler therein

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations91

US5274657ADec 28, 1993

Phase lock type semiconductor laser

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations80