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Majung Park
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Chiba-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Head gimbal assembly and data recording and reproducing apparatus h...
Patent number
8,982,494
Issue date
Mar 17, 2015
Seiko Instruments Inc.
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Grant
Near-field light head and information recording/reproducing device
Patent number
8,842,504
Issue date
Sep 23, 2014
Seiko Instruments Inc.
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Grant
Tip type probe manufacturing method, tip type probe and tip type pr...
Patent number
8,568,598
Issue date
Oct 29, 2013
Seiko Instruments Inc.
Majung Park
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Thermally-assisted magnetic recording head having photoelectric wir...
Patent number
8,542,559
Issue date
Sep 24, 2013
Seiko Instruments Inc.
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermally-assisted magnetic recording head having photoelectric wir...
Patent number
8,537,646
Issue date
Sep 17, 2013
Seiko Instruments Inc.
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermally-assisted magnetic recording head having photoelectric wir...
Patent number
8,467,276
Issue date
Jun 18, 2013
Seiko Instruments Inc.
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Grant
Head gimbal assembly
Patent number
8,411,391
Issue date
Apr 2, 2013
Seiko Instruments Inc.
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Grant
Near field optical head and information recording and reproducing d...
Patent number
8,351,306
Issue date
Jan 8, 2013
Seiko Instruments Inc.
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Grant
Near-field optical head and information recording/reproducing device
Patent number
8,351,304
Issue date
Jan 8, 2013
Seiko Instruments Inc.
Majung Park
G11 - INFORMATION STORAGE
Information
Patent Grant
Fabrication method and fabrication apparatus of head using near fie...
Patent number
8,323,518
Issue date
Dec 4, 2012
Seiko Instruments Inc.
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Grant
Near-field thermally assisted magnetic recording head and recording...
Patent number
8,284,636
Issue date
Oct 9, 2012
Seiko Instruments Inc.
Manabu Oumi
G11 - INFORMATION STORAGE
Information
Patent Grant
Near-field optical head including waveguide having polyhedron core
Patent number
8,270,259
Issue date
Sep 18, 2012
Seiko Instruments Inc.
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Grant
Near-field optical head with inclined magnetic poles and informatio...
Patent number
8,184,506
Issue date
May 22, 2012
Seiko Instruments Inc.
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording head and data recording and reproducing apparatus
Patent number
8,054,570
Issue date
Nov 8, 2011
Seiko Intstruments Inc.
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Grant
Near field light assisted magnetic recording head and recording app...
Patent number
8,054,714
Issue date
Nov 8, 2011
Seiko Instruments Inc.
Manabu Oumi
G11 - INFORMATION STORAGE
Information
Patent Grant
Near field optical head and information recording and reproducing d...
Patent number
8,050,170
Issue date
Nov 1, 2011
Seiko Instruments Inc.
Majung Park
G11 - INFORMATION STORAGE
Information
Patent Grant
Near-field optical head and information recording apparatus
Patent number
8,023,366
Issue date
Sep 20, 2011
Seiko Instruments Inc.
Manabu Oumi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Head gimbal mechanism and information recording/reproducing apparatus
Patent number
7,966,630
Issue date
Jun 21, 2011
Seiko Instruments Inc.
Masakazu Hirata
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
INFORMATION RECORDING AND REPRODUCTION APPARATUS
Publication number
20110199868
Publication date
Aug 18, 2011
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Application
INFORMATION RECORDING AND REPRODUCTION APPARATUS
Publication number
20110188355
Publication date
Aug 4, 2011
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Application
HEAD GIMBAL ASSEMBLY AND DATA RECORDING AND REPRODUCING APPARATUS H...
Publication number
20110188356
Publication date
Aug 4, 2011
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Application
NEAR-FIELD LIGHT HEAD AND INFORMATION RECORDING/REPRODUCING DEVICE
Publication number
20110141861
Publication date
Jun 16, 2011
SEIKO INSTRUMENTS INC.
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Application
NEAR-FIELD OPTICAL HEAD AND INFORMATION RECORDING/REPRODUCING DEVICE
Publication number
20110122736
Publication date
May 26, 2011
Majung Park
G11 - INFORMATION STORAGE
Information
Patent Application
INFORMATION RECORDING AND REPRODUCTION APPARATUS
Publication number
20110122738
Publication date
May 26, 2011
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Application
TIP TYPE PROBE MANUFACTURING METHOD, TIP TYPE PROBE AND TIP TYPE PR...
Publication number
20110024387
Publication date
Feb 3, 2011
Majung Park
G01 - MEASURING TESTING
Information
Patent Application
Near Field Optical Head and Information Recording and Reproducing D...
Publication number
20110007621
Publication date
Jan 13, 2011
Majung Park
G11 - INFORMATION STORAGE
Information
Patent Application
NEAR FIELD OPTICAL HEAD AND INFORMATION RECORDING AND REPRODUCING D...
Publication number
20100284252
Publication date
Nov 11, 2010
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Application
NEAR- FIELD OPTICAL HEAD AND INFORMATION RECORDING / REPRODUCING DE...
Publication number
20100091619
Publication date
Apr 15, 2010
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Application
Head gimbal assembly
Publication number
20100085664
Publication date
Apr 8, 2010
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Application
NEAR FIELD LIGHT GENERATING ELEMENT NEAR FIELD OPTICAL HEAD, AND IN...
Publication number
20100061199
Publication date
Mar 11, 2010
Masakazu Hirara
G11 - INFORMATION STORAGE
Information
Patent Application
RECORDING HEAD AND DATA RECORDING AND REPRODUCING APPARATUS
Publication number
20100046111
Publication date
Feb 25, 2010
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Application
NEAR FIELD LIGHT ASSIGNED MAGNETIC RECORDING HEAD AND RECORDING APP...
Publication number
20100002550
Publication date
Jan 7, 2010
Manabu Oumi
G11 - INFORMATION STORAGE
Information
Patent Application
Near Field Light Assisted Magnetic Recording Head and Recording App...
Publication number
20100002549
Publication date
Jan 7, 2010
Manabu Oumi
G11 - INFORMATION STORAGE
Information
Patent Application
HEAD GIMBAL MECHANISM AND INFORMATION RECORDING/REPRODUCING APPARATUS
Publication number
20090323223
Publication date
Dec 31, 2009
Masakazu Hirata
G11 - INFORMATION STORAGE
Information
Patent Application
FABRICATION METHOD AND FABRICATION APPARATUS OF HEAD USING NEAR FIE...
Publication number
20090208641
Publication date
Aug 20, 2009
Masakazu Harata
G11 - INFORMATION STORAGE
Information
Patent Application
Near-Field Optical Head and Information Recording Apparatus
Publication number
20090028007
Publication date
Jan 29, 2009
Manabu Oumi
G01 - MEASURING TESTING