Inventor

Takuya Uzumaki

Inventor

Kawasaki, JP

Overview

1991–2014

Patent span

Physics

Primary field (CPC G)

Patents· 24 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 transducer33%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%

Y10TTechnical subjects covered by former us classification12%

B82YSpecific uses or applications of nanostructures9%

H10NElectric solid-state devices not otherwise provided for9%

C04BLime, magnesia5%

G01RMeasuring electric variables5%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%

H01FMagnets3%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%

PatentTitleYear

8,791,433'Ion implanting apparatus'2014 8,202,571'Manufacturing method for magnetic recording medium'2012 7,807,278'Perpendicular magnetic recording medium and magnetic storage apparatus'2010 7,611,783'Magnetic recording medium and magnetic recording device'2009 7,525,762'Magnetic recording medium for perpendicular recording'2009 7,428,130'Magnetoresistive element, magnetic head, magnetic storage unit, and magnetic memory unit'2008 7,422,808'Vertical magnetic recording medium, magnetic recording apparatus and manufacturing method of a vertical magnetic recording medium'2008 7,402,348'Perpendicular magnetic recording medium'2008 7,295,404'Magnetic recording medium for perpendicular recording and magnetic storage apparatus using the same'2007 7,258,893'Method of fabricating a magnetic recording medium'2007 7,147,940'Perpendicular magnetic recording medium'2006 7,008,705'Layered polycrystalline structure and method of making the same'2006 6,878,439'Magnetic recording medium, its production process and magnetic recording device'2005 6,875,527'Information recording medium and information storing device'2005 6,835,444'Magnetic recording medium using a perpendicular magnetic film having a tBr not exceeding one-fifth of a tBr of an in-plane magnetic film'2004 6,809,893'Information refresh method, storage system and storage medium thereof'2004 6,770,386'Magnetic recording medium and its manufacturing method'2004 6,744,582'Thermal-assisted magnetic storage device and method for driving the reading/writing head thereof'2004 6,700,761'Magnetic sensor'2004 6,407,545'Apparatus and method for measuring remanence curve of a magnetic material'2002 5,629,269'Process for forming oxide superconducting films with a plurality of metal buffer layers'1997 5,286,713'Method for manufacturing an oxide superconducting circuit board by printing'1994 5,081,070'Superconducting circuit board and paste adopted therefor'1992 5,049,541'Process for preparing superconductor'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2009Patents assigned to FUJITSU LTD (21)· patent assignee history

1991–2014Based in Kawasaki, JP· patent location history

2002Patents assigned to MIZOGUCHI TADASHI (1)· patent assignee history

2002Based in Kanagawa, JP· patent location history

2004Based in Atsugi, JP· patent location history

2004Based in Zama, JP· patent location history

2010–2012Patents assigned to SHOWA DENKO KK (2)· patent assignee history

2012–2014Patents assigned to UZUMAKI TAKUYA (2)· patent assignee history

2012Patents assigned to KODAMA HIROYOSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJITSU LTD	21	1991–2009
SHOWA DENKO KK	2	2010–2012
UZUMAKI TAKUYAself	2	2012–2014
KODAMA HIROYOSHI	1	2012
MIZOGUCHI TADASHI	1	2002

Locations

Location	Patents	Span
Kawasaki, JP	21	1991–2014
Atsugi, JP	1	2004
Zama, JP	1	2004
Kanagawa, JP	1	2002