Inventor
KAGEYAMA SADASHI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “KAGEYAMA SADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
11 patentsUS7203158B2Apr 10, 2007
OFDM signal transmission system, portable terminal, and e-commerce system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD168 citations99
US5142353AAug 25, 1992
Television signal processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD63 citations96
US4985769AJan 15, 1991
Multiplex TV signal processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD76 citations96
US4882614ANov 21, 1989
Multiplex signal processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51 citations95
US5442403AAug 15, 1995
Wide-screen TV signal transmission apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations92
US5276507AJan 4, 1994
Multiplex TV signal processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD43 citations92
US5103295AApr 7, 1992
Television signal processor for eliminating quality differences between portions of television images having different aspect ratios
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations92
US4907218AMar 6, 1990
Multiplex signal processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92
US4944032AJul 24, 1990
Multiplex signal processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations80
US5270817ADec 14, 1993
Television signal processing apparatus for separating an auxiliary signal from a letterbox signal
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations73
US5036386AJul 30, 1991
Television signal processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations71
PANASONIC CORP
11 patentsUS7809407B2Oct 5, 2010
OFDM signal transmission system, portable terminal, and e-commerce system
PANASONIC CORP42 citations96
USRE45737EOct 6, 2015
OFDM signal transmission system, portable terminal and E-commerce system
PANASONIC CORP2 citations74
US7466645B2Dec 16, 2008
OFDM signal receiving apparatus
PANASONIC CORP2 citations62
USRE45784EOct 27, 2015
OFDM signal transmission system, portable terminal and E-commerce system
PANASONIC CORP0 citations52
USRE45758EOct 13, 2015
OFDM signal transmission system, portable terminal and E-commerce system
PANASONIC CORP0 citations52
USRE45706ESep 29, 2015
OFDM signal transmission system, portable terminal and E-commerce system
PANASONIC CORP0 citations52
USRE45663ESep 1, 2015
OFDM signal transmission system, portable terminal and E-commerce system
PANASONIC CORP0 citations52
USRE45662ESep 1, 2015
OFDM signal transmission system, portable terminal and E-commerce system
PANASONIC CORP0 citations52
USRE45654EAug 11, 2015
OFDM signal transmission system, portable terminal and E-commerce system
PANASONIC CORP0 citations52
USRE45218EOct 28, 2014
OFDM signal transmission system, portable terminal and E-commerce system
PANASONIC CORP0 citations52
US7486940B2Feb 3, 2009
Digital broadcast receiving apparatus
PANASONIC CORP1 citations52