LexDanaLexDanabeta
Inventor

Soichi Oikawa

Inventor
Hachioji, JP

Overview

52→
Patents
2003–2021
Patent span
Physics
Primary field (CPC G)

Patents· 52 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%
H10NElectric solid-state devices not otherwise provided for11%
G11CStatic stores10%
Y10TTechnical subjects covered by former us classification9%
H01LSemiconductor devices7%
H10BElectronic memory devices7%
B82YSpecific uses or applications of nanostructures4%
H01FMagnets4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
C23CCoating metallic material2%
PatentTitleYear
10,897,007Magnetic memory device202110,734,053Magnetic memory device202010,490,736Magnetic memory201910,453,513Magnetic memory device201910,374,150Magnetic memory device201910,360,960Magnetic memory device201910,262,711Magnetic memory20199,633,684'Magnetic recording medium, method for manufacturing magnetic recording medium, and magnetic recording/reproduction apparatus'20178,877,360'Magnetic recording medium with a plurality of pinning portions in the magnetic layer'20148,817,419'Magnetic recording head and magnetic recording apparatus'20148,786,973'Thermally assisted magnetic recording medium and thermally assisted magnetic recording apparatus'20148,748,017'Magnetic recording medium'20148,553,359'Magnetic recording head and magnetic recording/reproducing apparatus using the same'20138,488,373'Spin injection layer robustness for microwave assisted magnetic recording'20138,472,140'Spin oscillator or magnetic recorder including multiple injection layers in the magnetic recording head'20138,467,148'Spin torque oscillator, magnetic recording head, magnetic head assembly and magnetic recording apparatus'20138,446,691'Magnetic recording device'20138,320,079'Magnetic head assembly and magnetic recording/reproducing apparatus'20128,238,058'Magnetic recording head, magnetic head assembly, and magnetic recording apparatus'20128,081,397'Magnetic head assembly and magnetic recording apparatus'20118,064,244'Thin seeded Co/Ni multilayer film with perpendicular anisotropy for spintronic device applications'20117,901,801'Perpendicular magnetic recording medium and magnetic recording apparatus'20117,901,803'Perpendicular magnetic recording medium, manufacturing method therefor, and magnetic read/write apparatus using the same'20117,867,638'Magnetic recording medium, method for producing thereof, and magnetic recording and reproducing apparatus'20117,781,081'Magnetic recording medium, manufacturing method for the magnetic recording medium, and magnetic read/write apparatus'20107,695,832'Perpendicular magnetic recording medium and perpendicular magnetic recording/reproducing apparatus'20107,666,531'Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus'20107,622,204'Magnetic recording medium and magnetic recording apparatus'20097,601,445'Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus'20097,494,725'Magnetic recording medium, method for manufacturing recording medium and magnetic recording apparatus'20097,470,474'Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus including both oxide and non-oxide perpendicular magnetic layers'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'20087,252,896'Magnetic recording medium and magnetic recording/reproducing apparatus'20077,166,376'Magnetic recording medium including a high-magnetostriction layer and magnetic recording/reproducing apparatus'20077,141,316'Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus'20067,138,194'Magnetic recording medium, method of manufacture therefor, and magnetic read/write apparatus'20067,132,176'Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus'20067,105,239'Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same'20067,056,606'Magnetic recording medium, method manufacture therefor, and apparatus for magnetic reproducing and reproducing recordings'20067,033,684'Magnetic recording medium, method of manufacture thereof, and magnetic read/write apparatus'20066,942,936'Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus'20056,902,835'Perpendicular magnetic recording medium and magnetic recording apparatus'20056,884,519'Magnetic recording medium, including an HCP structured Ni-alloy control film method of manufacture therefor, and magnetic read/write apparatus'20056,846,581'Perpendicular magnetic recording medium and magnetic recording-reproducing apparatus using the same'20056,805,981'Perpendicular magnetic recording medium and perpendicular magnetic recording-reproducing apparatus'20046,754,020'Magnetic recording media and magnetic recording/reproduction apparatuses'20046,713,197'Perpendicular magnetic recording medium and magnetic recording apparatus'20046,699,600'Magnetic recording medium, method of manufacture therefor, and apparatus for magnetic recording and reproducing recordings'20046,682,826'Magnetic recording medium, method of manufacturing therefor, and magnetic read/write apparatus'20046,620,533'Magnetic recording medium'20036,548,194'Perpendicular magnetic recording medium and a magnetic reproducing apparatus'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2021Patents assigned to TOSHIBA KK (43)· patent assignee history
2003–2011Patents assigned to SHOWA DENKO KK (14)· patent assignee history
2003–2005Based in Yokohama, JP· patent location history
2004–2007Based in Chiba, JP· patent location history
2004–2011Based in Kawasaki, JP· patent location history
2009–2020Based in Tokyo, JP· patent location history
2010–2021Based in Hachioji, JP· patent location history
2011–2014Patents assigned to OIKAWA SOICHI (13)· patent assignee history
2011–2014Patents assigned to KOUI KATSUHIKO (10)· patent assignee history
2011–2013Patents assigned to YAMADA KENICHIRO (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK432003–2021
SHOWA DENKO KK142003–2011
OIKAWA SOICHIself132011–2014
KOUI KATSUHIKO102011–2014
YAMADA KENICHIRO92011–2013
Locations
LocationPatentsSpan
Hachioji, JP162010–2021
Chiba, JP112004–2007
Tokyo, JP102009–2020
Kawasaki, JP82004–2011
Yokohama, JP52003–2005