Inventor
Akira Kikitsu
Inventor
Yokohama, JP
Overview
Patents· 96 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer41%
B82YSpecific uses or applications of nanostructures15%
Y10TTechnical subjects covered by former us classification5%
H01FMagnets5%
G11CStatic stores4%
H01LSemiconductor devices4%
H10NElectric solid-state devices not otherwise provided for4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%
PatentTitleYear
11,119,161Magnetic sensor and diagnostic device202111,049,818Electromagnetic wave attenuator and electronic device202111,011,475Electromagnetic wave attenuator and electronic device202111,011,474Electromagnetic wave attenuator and electronic device202110,849,527Magnetic sensor, biological cell sensing device, and diagnostic device202010,837,953Sensor202010,809,321Magnetic sensor and testing device202010,699,979Electronic device202010,510,680Semiconductor device having electromagnetic wave attenuation layer201910,468,354Semiconductor device with magnetic layer and nonmagnetic layer201910,254,305Inertial sensor20199,922,674'Magnetic recording and reproducing device and magnetic recording and reproducing method'20189,810,711'Inertial sensor'20179,269,387'Magnetic recording medium and method of fabricating the same'20169,257,168'Magnetic recording device and magnetic recording apparatus'20169,142,759'Magnetic memory device and method of magnetic domain wall motion'20159,064,522'Stamper and method of manufacturing bit patterned medium using stamper'20158,974,682'Self-assembled pattern forming method'20158,976,579'Magnetic memory element, magnetic memory, and magnetic memory device'20158,958,177'Magnetic recording medium and method of fabricating the same'20158,837,087'Thin magnetic film, method of manufacturing the same, and high frequency oscillator, magnetic head, magnetic recording medium, and magnetic recording/reproducing apparatus using thin magnetic film'20148,792,271'Magnetic memory device and method of magnetic domain wall motion'20148,681,454'Patterned medium and method of manufacturing the same'20148,625,335'Magnetic storage element, magnetic storage device, and magnetic memory'20148,611,142'Magnetic recording device and magnetic recording apparatus'20138,487,345'Information recording and reproducing device'20138,298,690'Magnetic recording medium, method and apparatus for manufacturing magnetic recording apparatus'20128,289,645'Magnetic disk apparatus'20128,221,637'Method and apparatus for manufacturing magnetic recording media'20128,153,205'Patterned medium and method of manufacturing the same'20128,116,035'Magnetic recording medium having a secondary recording layer made of a material having a negative crystal magnetic anisotropy and magnetic recording and reproducing apparatus'20128,102,616'Magnetic recording medium, method of fabricating the same, and magnetic recording apparatus'20128,085,582'Magnetic recording device and magnetic recording apparatus'20118,077,416'Magnetic recording medium formatted with ROM and RAM regions'20118,059,368'Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording apparatus'20117,983,004'Magnetic recording medium with magnetic film pattern sidewalls having at least two faces of different slope angles and magnetic recording apparatus having the same'20117,943,248'Perpendicular magnetic recording media, production process thereof, and perpendicular magnetic recording and reproducing apparatus'20117,936,537'Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus'20117,894,155'Magnetic recording medium, method of fabricating the same, and magnetic recording apparatus'20117,879,466'Perpendicular magnetic recording medium, and perpendicular magnetic recording and reproducing apparatus'20117,848,046'Magnetic disk apparatus'20107,826,176'Magnetic recording medium with thicker protective film in edge areas and magnetic recording apparatus using the medium'20107,782,562'Magnetic recording media and magnetic recording device'20107,771,602'Method and apparatus for manufacturing magnetic recording media'20107,760,467'Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording apparatus'20107,740,767'Method and apparatus for manufacturing patterned media'20107,738,203'Magnetic recording medium Formatted with ROM and RAM regions'20107,708,543'Stamper for magnetic recording media, method of manufacturing magnetic recording media using the same, and method of manufacturing stamper for magnetic recording media'20107,687,158'Perpendicular magnetic recording medium and perpendicular magnetic recording/reproducing apparatus'20107,666,531'Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus'20107,655,329'Patterned magnetic recording media, stamper for manufacture of patterned magnetic recording media, method of manufacturing patterned magnetic recording media, and magnetic recording/reproduction apparatus'20107,635,529'Substrate for magnetic recording media, magnetic recording media and magnetic recording apparatus'20097,625,645'Patterned magnetic recording media, stamper for manufacture of patterned magnetic recording media, method of manufacturing patterned magnetic recording media, and magnetic recording/reproduction apparatus'20097,622,204'Magnetic recording medium and magnetic recording apparatus'20097,618,549'Method of forming patterns and method of manufacturing magnetic recording media'20097,580,223'Magnetic recording media, substrate for magnetic recording media, and magnetic recording apparatus'20097,494,725'Magnetic recording medium, method for manufacturing recording medium and magnetic recording apparatus'20097,443,626'Patterned disk medium for vertical magnetic recording, and magnetic disk drive with the medium'20087,431,999'Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus'20087,416,794'Magnetic recording medium, method for manufacturing recording medium and magnetic recording apparatus'20087,372,648'Optically-assisted magnetic recording head and optically-assisted magnetic recording apparatus'20087,345,838'Magnetic recording media and magnetic recording and reproducing apparatus'20087,343,857'Imprint apparatus and method for imprinting'20087,330,335'Magnetic recording medium, magnetic recording apparatus and magnetic recording method'20087,323,258'Magnetic recording medium and method for manufacturing the same'20087,319,568'Magnetic recording media, magnetic recording apparatus, and stamper'20087,314,833'Method for manufacturing substrate for discrete track recording media and method for manufacturing discrete track recording media'20087,272,107'Optical recording medium having super resolution layer'20077,195,827'Perpendicular magnetic recording medium'20077,141,317'Perpendicular magnetic recording medium'20067,067,207'Magnetic recording medium having a patterned soft magnetic layer'20067,054,087'Magnetic recording-reproducing apparatus'20066,982,845'Magnetic recording apparatus and magnetic recording method'20066,972,923'Magnetic recording medium and magnetic recording/reproducing apparatus using the same'20056,930,847'Magnetic recording-reproducing apparatus'20056,894,857'Magnetic recording apparatus and method of designing the same'20056,881,495'Magnetic recording medium including functional and recording layers orthogonally exchange coupled'20056,830,824'Magnetic recording medium with multiple magnetic layers capable of being exchange coupled at elevated temperatures and magnetic recording apparatus'20046,826,144'Optical recording medium, optical recording and/or reproducing method, and optical recording and/or reproducing system'20046,795,380'Optically-assisted magnetic recording head and optically-assisted magnetic recording apparatus'20046,777,078'Magnetic recording medium with L10 crystal grains including three or more elements'20046,741,524'Thermally-assisted magnetic recording and reproducing device having an electron beam thermal source'20046,636,460'Thermally-assisted magnetic recording method and thermally-assisted magnetic recorder'20036,602,620'Magnetic recording apparatus, magnetic recording medium and manufacturing method thereof'20036,493,164'Magnetic recording apparatus and method of magnetic recording'20026,296,915'Optical recording medium'20016,240,060'Phase change optical recording medium'20016,174,597'Magnetic recording apparatus'20016,014,296'Magnetic disk, method of manufacturing magnetic disk and magnetic recording apparatus'20005,981,054'Magnetic recording medium and method for manufacturing the same'19995,780,135'Magnetic disc apparatus'19985,729,408'Magnetic recording/reproducing apparatus having a magnetic head with a linearly movable arm provided with a plurality of recording/reproducing elements'19985,652,054'Magnetic recording media having a magnetic thin film made of magnetic metals grains and nonmagnetic matrix'19975,412,627'A magneto-optical recording system including a recording medium having a reversal preventive layer for preventing a magnetization reversal of a bias layer which is magnetostatically coupled to a recording layer'19955,175,714'Method of magneto-optically recording/erasing information and magneto-optical information storage medium including recording and bias layers satisfying certain conditions'19925,105,400'Method of magneto-optically recording and erasing information onto a magneto-optical information storage medium'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2021Patents assigned to TOSHIBA KK (95)· patent assignee history
1992–2019Based in Yokohama, JP· patent location history
1999Based in Tucson, AZ, US· patent location history
2001–2021Based in Kanagawa, JP· patent location history
2008–2014Patents assigned to SHOWA DENKO KK (10)· patent assignee history
2011–2014Patents assigned to KIKITSU AKIRA (14)· patent assignee history
2011–2014Patents assigned to SAKURAI MASATOSHI (7)· patent assignee history
2011–2014Patents assigned to KAMATA YOSHIYUKI (6)· patent assignee history
2012Based in Minato-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 95 | 1992–2021 |
| KIKITSU AKIRAself | 14 | 2011–2014 |
| SHOWA DENKO KK | 10 | 2008–2014 |
| SAKURAI MASATOSHI | 7 | 2011–2014 |
| KAMATA YOSHIYUKI | 6 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 66 | 1992–2019 |
| Kanagawa, JP | 27 | 2001–2021 |
| Minato-ku, JP | 1 | 2012 |
| Tucson, AZ, US | 1 | 1999 |