P

Inventor

MIYAKE TOMOYUKI

JP58 patents
⚠️ This page may combine multiple inventors who share the name “MIYAKE TOMOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHARP KK

38 patents
US5673247ASep 30, 1997

Optical pickup having two objective lenses

SHARP KK34 citations93
US5386400AJan 31, 1995

Magneto-optical head device having a lubricated member

SHARP KK33 citations93
US5338646AAug 16, 1994

Optical memory device having an improved light reflection or optical memory layer

SHARP KK20 citations93
US5313444AMay 17, 1994

External magnetic field generation apparatus capable of light intensity modulation and magnetic field modulation

SHARP KK32 citations93
US5231613AJul 27, 1993

Magneto-optical recording device

SHARP KK27 citations93
US5224068AJun 29, 1993

Recording method for magneto-optic memory medium

SHARP KK23 citations93
US5059473AOct 22, 1991

Optical recording medium and manufacturing method thereof

SHARP KK33 citations93
US4956243ASep 11, 1990

Optical memory element

SHARP KK26 citations93
US5087535AFeb 11, 1992

Method of manufacturing photo-mask and photo-mask manufactured thereby

SHARP KK27 citations92
US6392970B1May 21, 2002

Reproducing light quantity control method for optical memory device, and reproducing light quantity control device, and optical recording medium

SHARP KK19 citations84
US5659528AAug 19, 1997

Information recording-reproduction method

SHARP KK7 citations74
US5500839AMar 19, 1996

Multiple coil magnetic head for magnetic optical recording device

SHARP KK9 citations74
US5457006AOct 10, 1995

Method of manufacturing photo-mask and photo-mask manufactured thereby

SHARP KK13 citations74
US5303100AApr 12, 1994

Magnetic disk device with floating-type magnetic head

SHARP KK12 citations74
US5214636AMay 25, 1993

Optical recording element having a plurality of thin film filtering layers and optical recording element having an electrically conductive layer

SHARP KK11 citations74
US5107471AApr 21, 1992

Magnetic head having a rectangular configuration for use in a magneto-optical recording system

SHARP KK12 citations74
US5077714ADec 31, 1991

Magneto-optical recording and reproducing device using the modulation of intensities of the magnetic field and light beam

SHARP KK9 citations74
US4858212AAug 15, 1989

Recording method on magnetooptical disc with laser magnetic field

SHARP KK7 citations74
US4786559ANov 22, 1988

Magnetooptical storage element

SHARP KK11 citations74
US5828512AOct 27, 1998

Information processing apparatus having a floating-type head

SHARP KK6 citations72
US5313445AMay 17, 1994

Reproducing apparatus with suspension supporting a floating-type head with a bevelled slider

SHARP KK12 citations72
US7310295B2Dec 18, 2007

Optical disk drive device and method for correcting tilt of optical pickup

SHARP KK4 citations63
US6111822AAug 29, 2000

Magnetic head with large cross-sectional area core for use with magnetically induced super resolution medium and magneto optical recording apparatus

SHARP KK2 citations63
US6001467ADec 14, 1999

Magneto-optic memory medium

SHARP KK4 citations63
US5774428AJun 30, 1998

Method and apparatus for magneto-optical recording or reproducing using modulated magnetic field

SHARP KK2 citations63
US5724319AMar 3, 1998

Magneto-optical recording apparatus having transient response correction for magnetic head coil currents

SHARP KK5 citations63
US5585159ADec 17, 1996

Recording medium capable of suppressing resonance from recording and reproducing devices

SHARP KK5 citations63
US5270994ADec 14, 1993

Magneto-optical recording and reading method

SHARP KK4 citations63
US5193082AMar 9, 1993

Optical/magnetic composite head having magnetic and optical heads in one integrated unit

SHARP KK6 citations63
US5175721ADec 29, 1992

Magneto-optical recording and reading device with initilization

SHARP KK3 citations63
US5157568AOct 20, 1992

Floating type magnetic head device

SHARP KK6 citations63
US5082690AJan 21, 1992

Process for manufacturing a magneto-optic disc

SHARP KK5 citations63
US5081614AJan 14, 1992

Magneto-optical head utilizing central and peripheral portions of reflected light flux for different purposes

SHARP KK2 citations63
US7369479B2May 6, 2008

Optical miniaturized module, optical pickup device, and optical disk device provided with light source and photodetector

SHARP KK2 citations62
US6961952B1Nov 1, 2005

Disk cartridge

SHARP KK4 citations62
US6600697B2Jul 29, 2003

Magnetic head and magnetic head assembly using the same

SHARP KK4 citations60
US6526001B1Feb 25, 2003

Magnetic head

SHARP KK2 citations60
US7333406B2Feb 19, 2008

Apparatus and method for reproducing information recorded on information storage medium including improved reproduction halt and restart capabilities, and recorded program media for controlling the same

SHARP KK3 citations58

RENESAS TECH CORP

3 patents

HITACHI LTD

2 patents

RENESAS ELECTRONICS CORP

2 patents

MURATA MANUFACTURING CO

2 patents

HOSHINO YUTAKA

2 patents

GOTO SATOSHI

1 patent

Showing the top 50 of 58 patents by PatentIndex Score.