Inventor
AOYAMA SHOICHI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “AOYAMA SHOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
3 patentsUS6615192B1Sep 2, 2003
Contents copying system, copying method, computer-readable recording medium and disc drive copying contents but not a cipher key via a host computer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD170 citations97
US6810200B1Oct 26, 2004
Digital data processing device that restricts usage of data present on a recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD43 citations86
US5590258ADec 31, 1996
Text generation apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations71