P

Inventor

SHIMAZAKI KATSUSUKE

JP39 patents
⚠️ This page may combine multiple inventors who share the name “SHIMAZAKI KATSUSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI MAXELL

37 patents
US6101153AAug 8, 2000

Magnetic head capable of generating multi-stepped external magnetic fields for magneto-optical recording device

HITACHI MAXELL62 citations95
US7038873B2May 2, 2006

Magnetic recording medium having a specific relation of coercive force HC and residual magnetization MR in perpendicular direction to substrate surface

HITACHI MAXELL37 citations92
US7027385B1Apr 11, 2006

Optical disk, disk substrate, and drive

HITACHI MAXELL30 citations92
US6633514B1Oct 14, 2003

Magneto-optical reproducing method using a plural of different reproducing beams

HITACHI MAXELL25 citations92
US6455174B1Sep 24, 2002

Magnetic recording medium, recording and reproducing head, and magnetic recording and reproducing method

HITACHI MAXELL28 citations92
US6434088B1Aug 13, 2002

Recording and reproducing apparatus having a magneto-optical head with an objective lens and laser-beam-permeable member

HITACHI MAXELL19 citations92
US6246640B1Jun 12, 2001

Magneto-optical recording medium capable of recording multiple value signals

HITACHI MAXELL25 citations92
US6061307AMay 9, 2000

Magneto-optical recording medium having a plurality of magnetic layers

HITACHI MAXELL21 citations92
US6044041AMar 28, 2000

Recording and reproducing apparatus having a magneto-optical head with an objective lens and laser-beam-permeable member

HITACHI MAXELL23 citations92
US5783320AJul 21, 1998

Magneto-optical recording medium and process for producing the same

HITACHI MAXELL18 citations92
US7396150B2Jul 8, 2008

Lighting apparatus and display apparatus

HITACHI MAXELL22 citations91
US6424601B1Jul 23, 2002

Magneto-optical recording media having an auxiliary magnetic layer

HITACHI MAXELL22 citations91
US6628574B1Sep 30, 2003

Reproducing method and reproducing apparatus using plural light beam powers for transferring a magnetic domain

HITACHI MAXELL45 citations90
US5923625AJul 13, 1999

Magneto-optical recording medium and method for recording and reproduction thereon

HITACHI MAXELL17 citations90
US7670031B2Mar 2, 2010

Lighting device and display apparatus

HITACHI MAXELL16 citations84
US6781926B2Aug 24, 2004

Magneto-optical head having heat sink layer

HITACHI MAXELL17 citations84
US6556516B1Apr 29, 2003

Reproducing method and reproducing apparatus for magneto-optical recording medium using different radiation patterns

HITACHI MAXELL13 citations84
US6388954B1May 14, 2002

Magneto-optical recording medium having clock-marks on recording layer and apparatus for recording and reproducing same

HITACHI MAXELL18 citations83
US7110327B2Sep 19, 2006

Magneto-optical recording and reproducing method, using reproducing layer with high saturation magnetization

HITACHI MAXELL8 citations74
US6693854B2Feb 17, 2004

Reproducing method and reproducing apparatus for magneto-optical recording medium

HITACHI MAXELL11 citations74
US6226234B1May 1, 2001

Magneto-optic recording medium and reproducing method for reproducing magnetic domain in enlarged form on a reproducing layer

HITACHI MAXELL7 citations74
US6438073B1Aug 20, 2002

Magnetic lens, magnetic reproducing element, reproducing apparatus and reproducing method

HITACHI MAXELL6 citations73
US6122228ASep 19, 2000

Magneto-optical recording medium and reproduction method therefor

HITACHI MAXELL10 citations73
US5965286AOct 12, 1999

Magneto-optical recording medium

HITACHI MAXELL5 citations73
US5637411AJun 10, 1997

Magneto-optical recording medium and process for producing the same

HITACHI MAXELL11 citations73
US7352658B2Apr 1, 2008

Method for recording information data to a recording medium by irradiation with a light beam and application of a magnetic field

HITACHI MAXELL4 citations63
US6904002B2Jun 7, 2005

Magneto-optical reproducing method using a plurality of different reproducing beams

HITACHI MAXELL3 citations62
US6690624B2Feb 10, 2004

Magnetic lens, magnetic reproducing element, reproducing apparatus and reproducing method

HITACHI MAXELL3 citations62
US6671233B1Dec 30, 2003

Magneto-optical recording medium and reproduction method therefor

HITACHI MAXELL4 citations62
US6501729B2Dec 31, 2002

Cartridge for information-recording media having deformable elastic pressing member urged by projection on shutter

HITACHI MAXELL2 citations62
US5639563AJun 17, 1997

Magneto-optical recording medium

HITACHI MAXELL5 citations62
US7348077B2Mar 25, 2008

Magnetic recording medium and magnetic recording apparatus

HITACHI MAXELL2 citations61
US7113453B1Sep 26, 2006

Method for recording and reproduction on a magneto-optical recording medium

HITACHI MAXELL3 citations60
US8368839B2Feb 5, 2013

Optical adjusting member and illumination device and liquid crystal display device including the same

HITACHI MAXELL0 citations52
US6385140B2May 7, 2002

Magneto-optical recording medium and reproducing method for reproducing magnetic domain in enlarged form on a reproducing layer

HITACHI MAXELL1 citations52
US5590097ADec 31, 1996

Magnetooptic recording medium

HITACHI MAXELL3 citations52
US7927520B2Apr 19, 2011

Method for lighting apparatus and display apparatus

HITACHI MAXELL1 citations51

HITACHI LTD

2 patents