Inventor

Takeo Sakakubo

Inventor

Kanagawa, JP

Overview

1999–2011

Patent span

Electricity

Primary field (CPC H)

Patents· 14 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 transducer25%

B82YSpecific uses or applications of nanostructures20%

H01FMagnets16%

H10NElectric solid-state devices not otherwise provided for16%

H10BElectronic memory devices9%

G01RMeasuring electric variables7%

Y10TTechnical subjects covered by former us classification4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

8,085,511'Magnetoresistance effect element having resistance adjusting layer and thin-film insertion layer'2011 7,443,004'Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus'2008 7,379,278'Magnetoresistance effect element, having a nonmagnetic intermediate layer having a two-dimensional fluctuation of resistance'2008 7,145,754'Magnetoresistance effect element having a nonmagnetic intermediate layer having a two-dimensional fluctuation of oxygen'2006 7,130,164'Magnetoresistance effect element having a nonmagnetic intermediate layer having a two-dimensional fluctuation of resistance'2006 7,072,153'Magnetoresistance effect element having a nonmagnetic intermediate layer having a two-dimensional fluctuation of resistance'2006 7,071,522'Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus'2006 7,038,893'Magnetoresistance effect element having a nonmagnetic intermediate layer having a two-dimensional fluctuation of resistance'2006 6,784,509'Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus'2004 6,751,846'Magnetic head manufacturing method'2004 6,564,445'Magnetic head manufacturing method'2003 6,198,597'Thin-film magnetic head having improved magnetic pole structure'2001 6,038,101'Magnetic head and method of manufacturing magnetic head'2000 5,912,790'Thin film magnetic recording-reproducing head having a high recording density and high fidelity'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2011Patents assigned to TOSHIBA KK (14)· patent assignee history

1999–2011Based in Kanagawa, JP· patent location history

2000–2004Based in Yokohama, JP· patent location history

2011Patents assigned to IWASAKI HITOSHI (1)· patent assignee history

2011Patents assigned to KAMIGUCHI YUZO (1)· patent assignee history

2011Patents assigned to KOUI KATSUHIKO (1)· patent assignee history

2011Patents assigned to NAGATA TOMOHIKO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	14	1999–2011
IWASAKI HITOSHI	1	2011
KAMIGUCHI YUZO	1	2011
KOUI KATSUHIKO	1	2011
NAGATA TOMOHIKO	1	2011

Locations

Location	Patents	Span
Kanagawa, JP	10	1999–2011
Yokohama, JP	4	2000–2004