Inventor

FUJITO KATSUYUKI

JP17 patents

Patents

17 patents

US5339315AAug 16, 1994

Cable broadcasting system and the transmission center for on demand program services

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD151 citations98

US5541757AJul 30, 1996

Optical fiber cable service system provided with video on demand service

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD68 citations96

US5875049AFeb 23, 1999

Amplifier for burst signal and optical receiving circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations92

US5850303ADec 15, 1998

Optical transmission system and optical transmission device used therefor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41 citations92

US5768449AJun 16, 1998

Optical transmission system and optical transmission method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92

US5729281AMar 17, 1998

Catv system in which chanel selection signal is transmitted from the subscriber location

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92

US5532865AJul 2, 1996

Fiber optic communication terminal, fiber optic communication system, and its wavelength setting method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92

US5530583AJun 25, 1996

Optical signal amplification apparatus and an optical fiber transmission system using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92

US4677630AJun 30, 1987

Oscillation frequency stabilized semiconductor laser

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92

US6271942B1Aug 7, 2001

Optical transmission device and system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations91

US4611352ASep 9, 1986

Optical transmission apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations91

US4722081AJan 26, 1988

Analog optical transmission system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations87

US4282480AAug 4, 1981

Apparatus for humidity detection

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations79

US5923458AJul 13, 1999

Frequency modulator

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73

US4278318AJul 14, 1981

Holographic reconstructing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations72

US4449188AMay 15, 1984

Apparatus and method for controlling humidity

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations71

US5644389AJul 1, 1997

Method for measuring distance between reflection points along light transmission line and reflectance thereof

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63