Inventor

Soji Koide

Inventor

Tokyo, JP

Overview

17→

Patents

2005–2013

Patent span

Physics

Primary field (CPC G)

Patents· 17 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 transducer55%

Y10TTechnical subjects covered by former us classification13%

G01RMeasuring electric variables10%

B24BMachines, devices, or processes for grinding or polishing6%

H01FMagnets6%

H10NElectric solid-state devices not otherwise provided for6%

B82YSpecific uses or applications of nanostructures3%

PatentTitleYear

8,462,467'Thin film magnetic head including soft layer magnetically connected with shield'2013 8,437,106'Thin film magnetic head including spin-valve film with free layer magnetically connected with shield'2013 8,174,793'Thin film magnetic head and magnetic disk device and electronic component'2012 7,872,471'Testing method of head element and magnetic recording and reproducing apparatus capable of head evaluating'2011 7,623,322'Thin-film magnetic head with heater spaced further from medium facing surface than split in shield'2009 7,583,479'Thin-film magnetic head with heater in overcoat multilayer, head gimbal assembly with thin-film magnetic head, and magnetic disk drive apparatus with head gimbal assembly'2009 7,542,236'Head slider, head gimbal assembly, and hard disk dirve'2009 7,384,327'Method for grinding a bar of thin film magnetic elements utilizing a plurality of resistive films'2008 7,224,553'Thin-film magnetic head, head gimbal assembly, and hard disk drive incorporating a heater'2007 7,203,035'Thin-film magnetic head having a sheet-shaped heater with a lead part connected in series with the heater and having a resistance lower than the heater'2007 7,184,246'Thin-film magnetic head having heater member and bump for electrical connection of heater member'2007 7,180,707'Thin-film magnetic head, head gimbal assembly, and hard disk drive'2007 7,155,808'Method of making thin film magnetic head'2007 7,113,369'Head slider, head gimbal assembly, and hard disk drive'2006 7,102,856'Head slider and manufacturing method thereof'2006 7,086,931'Magnetic head bar holding unit, lapping device, and method of lapping medium-opposing surface of thin-film magnetic head'2006 6,945,847'Method of lapping medium-opposing surface in thin-film magnetic head'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2013Patents assigned to TDK CORP (16)· patent assignee history

2005–2013Based in Tokyo, JP· patent location history

2007Based in Chuo-ku, JP· patent location history

2012–2013Patents assigned to KOIDE SOJI (3)· patent assignee history

2013Patents assigned to DEGAWA NAOMICHI (2)· patent assignee history

2013Patents assigned to KANAYA TAKAYASU (2)· patent assignee history

2013Patents assigned to MACHITA TAKAHIKO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TDK CORP	16	2005–2013
KOIDE SOJIself	3	2012–2013
DEGAWA NAOMICHI	2	2013
KANAYA TAKAYASU	2	2013
MACHITA TAKAHIKO	2	2013

Locations

Location	Patents	Span
Tokyo, JP	13	2005–2013
Chuo-ku, JP	4	2007