P

Inventor

HONDA YUKIO

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

HITACHI LTD

25 patents
US5851643ADec 22, 1998

Magnetic recording media and magnetic recording read-back system which uses such media

HITACHI LTD192 citations99
US6686070B1Feb 3, 2004

Perpendicular magnetic recording media, magnetic recording apparatus

HITACHI LTD95 citations98
US6183893B1Feb 6, 2001

Perpendicular magnetic recording medium and magnetic storage apparatus using the same

HITACHI LTD123 citations98
US5436448AJul 25, 1995

Surface observing apparatus and method

HITACHI LTD134 citations98
US6716516B2Apr 6, 2004

Magnetic recording medium and magnetic recording apparatus using the same

HITACHI LTD30 citations96
US6447936B1Sep 10, 2002

Magnetic recording medium and magnetic recording apparatus using the same

HITACHI LTD41 citations96
US5738927AApr 14, 1998

Perpendicular magnetic recording media and magnetic recording device

HITACHI LTD71 citations96
US5536585AJul 16, 1996

Magnetic recording medium and fabrication method therefor

HITACHI LTD37 citations96
US4722869AFeb 2, 1988

Magnetic recording medium

HITACHI LTD58 citations96
US6759148B2Jul 6, 2004

Perpendicular magnetic recording media and magnetic storage apparatus using the same

HITACHI LTD26 citations93
US6723457B2Apr 20, 2004

Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same

HITACHI LTD32 citations93
US6403203B2Jun 11, 2002

Magnetic recording medium and magnetic recording apparatus using the same

HITACHI LTD22 citations93
US6383667B1May 7, 2002

Magnetic recording medium

HITACHI LTD29 citations93
US5685958ANov 11, 1997

Method of fabricating a magnetic recording medium

HITACHI LTD23 citations93
US6562453B1May 13, 2003

Perpendicular magnetic recording medium and magnetic recording apparatus

HITACHI LTD25 citations92
US6083599AJul 4, 2000

Perpendicular magnetic recording media and magnetic recording and reproducing apparatus using the same

HITACHI LTD19 citations92
US5488255AJan 30, 1996

Cooling device for semiconductor packages, having flexible film heat expulsion means

HITACHI LTD26 citations92
US5229607AJul 20, 1993

Combination apparatus having a scanning electron microscope therein

HITACHI LTD47 citations92
US5144128ASep 1, 1992

Surface microscope and surface microscopy

HITACHI LTD29 citations92
US5077266ADec 31, 1991

Method of forming weak-link josephson junction, and superconducting device employing the junction

HITACHI LTD25 citations92
US4840844AJun 20, 1989

Magnetic recording medium

HITACHI LTD38 citations92
US4743491AMay 10, 1988

Perpendicular magnetic recording medium and fabrication method therefor

HITACHI LTD46 citations92
US4518890AMay 21, 1985

Impregnated cathode

HITACHI LTD30 citations92
US5467642ANov 21, 1995

Scanning probe microscope and method of control error correction

HITACHI LTD46 citations90
US5599580AFeb 4, 1997

Method of fabricating a magnetic recording medium

HITACHI LTD17 citations82

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

19 patents
US6049153AApr 11, 2000

Motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD185 citations99
US6008559ADec 28, 1999

Motor using a rotor including an interior permanent magnet

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD174 citations97
US5945760AAug 31, 1999

Motor with built-in permanent magnets

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD92 citations97
US6979924B2Dec 27, 2005

Compressor using a motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations96
US6759778B2Jul 6, 2004

Electric vehicle using a motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD43 citations96
US6369480B1Apr 9, 2002

Compressor using a motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations96
US6356001B1Mar 12, 2002

Electric vehicle using a motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD58 citations96
US6300700B1Oct 9, 2001

Motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations96
US6259181B1Jul 10, 2001

Rotor core for reluctance motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD58 citations96
US6940205B1Sep 6, 2005

Permanent magnet synchronous motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations95
US7411329B2Aug 12, 2008

Permanent magnet synchronous motor including permanent magnet with tapered outer edges and rotor core with opening

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations92
US7071584B2Jul 4, 2006

Linear motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations92
US6653753B1Nov 25, 2003

Linear motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations92
US6300703B1Oct 9, 2001

Rotor core for reluctance motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US5982133ANov 9, 1999

Brushless motor with rotor position detection compensation caused by induced voltage in rotor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations92
US5402024AMar 28, 1995

Rotor for a permanent-magnet motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations91
US7233092B2Jun 19, 2007

Permanent magnet synchronous motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations83
US6799362B2Oct 5, 2004

Motor and method for manufacturing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations83
US6583531B1Jun 24, 2003

Motor with permanent magnet

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations80

MURATA MANUFACTURING CO

3 patents

TOYOTA MOTOR CO LTD

1 patent

IDEMITSU PETROCHEMICAL CO

1 patent

CANON KK

1 patent

Showing the top 50 of 82 patents by PatentIndex Score.