P

Inventor

TOSAKI YOSHIHIRO

JP19 patents
⚠️ This page may combine multiple inventors who share the name “TOSAKI YOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

18 patents
US6633534B1Oct 14, 2003

Optical disk and optical disk drive

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD70 citations96
US5027245AJun 25, 1991

Magnetic head for multi-track recording having read and write transducers formed by thin-film technology

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD57 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
US6287660B1Sep 11, 2001

Optical recording medium and its substrate

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92
US5469317ANov 21, 1995

Thin film magnetoresistive head for magnetic recording and reproducing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations92
US5022141AJun 11, 1991

Method for manufacturing multiturn thin film coil

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92
US6551682B1Apr 22, 2003

Metal-containing azo compound and optical recording media

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations90
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
US7145331B2Dec 5, 2006

Magnetic sensor having a closed magnetic path formed by soft magnetic films

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations73
US6338888B1Jan 15, 2002

Optical recording medium and method of information recording/reproduction using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
US7183767B2Feb 27, 2007

Magnetic sensing element, magnetic sensor, and its manufacturing method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62
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

(unassigned)

1 patent