Inventor

Yoshihiko Kakihara

Inventor

Niigata, JP

Overview

20→

Patents

1999–2007

Patent span

Physics

Primary field (CPC G)

Patents· 20 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B82Yprimary

B82YSpecific uses or applications of nanostructures28%

G11BInformation storage based on relative movement between record carrier and transducer28%

Y10TTechnical subjects covered by former us classification17%

H01FMagnets14%

H10NElectric solid-state devices not otherwise provided for7%

G01RMeasuring electric variables4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

7,259,943'Magnetic head having a current-perpendicular-to-the-plane structure and using a magneto-resistive effect'2007 7,243,412'Method of manufacturing a magnetic head using a magneto-resistive effect'2007 7,054,115'Spin-valve thin-film magnetic element and method for making the same'2006 6,847,508'Spin valve thin film magnetic element and thin film magnetic head'2005 6,791,804'Magnetoresistive-effect device and method for manufacturing the same'2004 6,762,916'Thin-film magnetic head with low barkhausen noise and floating-type magnetic head therewith'2004 6,756,135'Spin valve thin-film magnetic element'2004 6,716,537'Magnetoresistive element having multilayered film capable of effectively conducting a detecting current for detecting external magnetic field and method for making the same'2004 6,690,554'Magnetoresistive-effect device with extended AFM layer and method for manufacturing the same'2004 6,663,987'Magnetroresistive element for effective sensing current flowing into multilayer film, and process for manufacturing the same'2003 6,614,629'Thin film magnetic head providing an essentially warp-free upper shield layer and floating magnetic head using the same'2003 6,587,315'Magnetoresistive-effect device with a magnetic coupling junction'2003 6,538,858'Spin-valve thin film element and method of manufacturing the same'2003 6,538,860'Spin-valve type magnetoresistive element capable of preventing barkhausen noise'2003 6,519,122'Spin-valve thin-film element'2003 6,307,722'Thin-film magnetic head and production method thereof'2001 6,201,669'Magnetoresistive element and its manufacturing method'2001 5,992,004'Method for producing a thin film magnetic head'1999 5,959,810'Spin-valve magnetoresistive element with biasing layer'1999 5,923,503'Thin-film magnetic head and production method thereof'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2006Patents assigned to ALPS ELECTRIC CO LTD (17)· patent assignee history

1999–2006Based in Niigata, JP· patent location history

2003Patents assigned to ALPS ELCTRIC CO LTD (1)· patent assignee history

2007Patents assigned to SONY CORP (2)· patent assignee history

2007Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ALPS ELECTRIC CO LTD	17	1999–2006
SONY CORP	2	2007
ALPS ELCTRIC CO LTD	1	2003

Locations

Location	Patents	Span
Niigata, JP	18	1999–2006
Kanagawa, JP	2	2007