Inventor
SHIMADA HIROMICHI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “SHIMADA HIROMICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
13 patentsUS5231546AJul 27, 1993
Recording and reproducing apparatus with limited digital copying
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD78 citations95
US5057947AOct 15, 1991
Recording and reproducing apparatus with limited digital copying
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD68 citations95
US6597654B2Jul 22, 2003
Recordable optical disk
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations92
US6590846B2Jul 8, 2003
Recordable optical disk
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations92
US5185792AFeb 9, 1993
Recording and reproducing apparatus with limited digital copying
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US5130864AJul 14, 1992
Digital recording and reproducing apparatus or digital recording apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US6992959B1Jan 31, 2006
Optical disk, method of reproducing and copying optical disk, and method of preventing illegal use of optical disk
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations84
US6603732B2Aug 5, 2003
Recordable optical disk
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations82
US6791937B2Sep 14, 2004
Recordable optical disk
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US6606290B2Aug 12, 2003
Recordable optical disk
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations74
US6614749B2Sep 2, 2003
Recordable optical disk
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
US6603731B2Aug 5, 2003
Recordable optical disk
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
US6597649B2Jul 22, 2003
Recordable optical disk
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52