Inventor
YUGAWA TAIHEI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “YUGAWA TAIHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
9 patentsUS6606707B1Aug 12, 2003
Semiconductor memory card
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD261 citations99
US7096504B1Aug 22, 2006
Distribution system, semiconductor memory card, receiving apparatus, computer-readable recording medium and receiving method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD104 citations98
US7062652B2Jun 13, 2006
Semiconductor memory card, data reading apparatus and data reading/reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51 citations96
US6789192B2Sep 7, 2004
Semiconductor memory card, data reading apparatus, and data reading/reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD55 citations96
US7487547B2Feb 3, 2009
Content processing apparatus and content protection program
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations84
US5875297AFeb 23, 1999
Multimedia server
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations82
US5978879ANov 2, 1999
Bus bridge apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations73
US7640436B2Dec 29, 2009
Encryption device and method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7272856B2Sep 18, 2007
Decryption device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
PANASONIC CORP
4 patentsUS7996914B2Aug 9, 2011
Semiconductor memory card and data reading apparatus, and data reading/reproducing apparatus
PANASONIC CORP12 citations92
USRE42019EDec 28, 2010
Distribution system, semiconductor memory card, receiving apparatus, computer-readable recording medium and receiving method
PANASONIC CORP13 citations84
US7529938B2May 5, 2009
Method, apparatus and system for performing authentication according to challenge-response protocol using scrambled access information
PANASONIC CORP4 citations63
USRE41096EFeb 2, 2010
Distribution system, semiconductor memory card, receiving apparatus, computer-readable recording medium and receiving method
PANASONIC CORP0 citations52