Inventor

TOJO MASAAKI

JP12 patents

Patents

12 patents

US5537503AJul 16, 1996

Optical semiconductor module and method of fabricating the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD83 citations96

US5689360ANov 18, 1997

Polarization independent optical isolator

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD55 citations95

US5499132AMar 12, 1996

Optical passive components

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD82 citations95

US5689359ANov 18, 1997

Polarization independent optical isolator

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations92

US5574595ANov 12, 1996

Optical isolator

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations92

US5493440AFeb 20, 1996

Optical isolator and optical fiber amplifier

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations92

US5355249AOct 11, 1994

Optical passive components

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92

US5299056AMar 29, 1994

Optical passive component assembly

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations92

US6771491B2Aug 3, 2004

Battery pack

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations89

US6947645B2Sep 20, 2005

Optical package substrate and optical device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84

US6904190B2Jun 7, 2005

Optical package substrate, optical device, optical module, and method for molding optical package substrate

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations84

US6766660B2Jul 27, 2004

Molding die and manufacturing method of molded product

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations60