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 patentsUS5761178AJun 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 patentsUS10514158B2Dec 24, 2019
Light source device and projection device
PANASONIC IP MAN CO LTD3 citations73
US11047981B2Jun 29, 2021
Distance measurement device
PANASONIC IP MAN CO LTD1 citations62
US11035986B2Jun 15, 2021
Light source device and projector
PANASONIC IP MAN CO LTD0 citations52
US10749311B2Aug 18, 2020
Light source device and projection device
PANASONIC IP MAN CO LTD0 citations52