P

Inventor

FUKAKUSA MASAHARU

JP25 patents
⚠️ This page may combine multiple inventors who share the name “FUKAKUSA MASAHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

14 patents
US5761178AJun 2, 1998

Optical integrating element and integration type optical pickup device using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92
US5687155ANov 11, 1997

Optical integrating element and integration type optical pickup device using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92
US5615203AMar 25, 1997

Floating-type optical head having incorporated therein a floating slider and an optical device which floats with the slider, includes a light source, condensing unit and photodetector and is supported movably relative to the floating slider

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations92
US5184263AFeb 2, 1993

Loading method and drive unit for a floating magnetic head for loading the magnetic head while preventing contact between the magnetic head and a magnetic disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92
US6556533B1Apr 29, 2003

Optical pickup device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations91
US6266314B1Jul 24, 2001

Optical pickup device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations91
US6256283B1Jul 3, 2001

Optical pickup having a common light beam path for passing either of a plurality of kinds of light beams

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations91
US5867468AFeb 2, 1999

Optical pickup with a vertically movable aperture means

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations84
US6757224B2Jun 29, 2004

Integrated optical component and optical pick-up device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US5812518ASep 22, 1998

Floating-type optical head having incorporated therein a floating slider and an optical device which floats with the slider, includes a condensing unit and is supported movably relative to the floating slider

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73
US5315454AMay 24, 1994

Loading method of magnetic head and magnetic disc apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations73
US5255135AOct 19, 1993

Method of loading slider and magnetic disk apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73
US6654320B2Nov 25, 2003

Optical pickup apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
US7355954B2Apr 8, 2008

Laser module, optical pickup device, optical disk device, focus error detection method and tracking error detection method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations40

PANASONIC IP MAN CO LTD

4 patents

PANASONIC CORP

3 patents

FUKAKUSA MASAHARU

2 patents

PANASONIC HOLDINGS CORP

1 patent

YOSHINAKA HIDEKI

1 patent