Inventor

Harold J. Hamilton

Inventor

Santa Clara, CA, US

Overview

27→

Patents

1983–2006

Patent span

Physics

Primary field (CPC G)

Patents· 27 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 transducer63%

Y10TTechnical subjects covered by former us classification23%

B24BMachines, devices, or processes for grinding or polishing7%

B82YSpecific uses or applications of nanostructures2%

H05KPrinted circuits2%

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

PatentTitleYear

7,095,585'Hard disk drive for perpendicular recording with transducer having submicron gap between pole tips'2006 6,804,085'Hard drive system interface between a disk surface and a transducer contacting the surface during communication'2004 6,600,631'Transducer/flexure/conductor structure for electromagnetic read/write system'2003 6,535,361'Contact planar magnetoresistive head'2003 6,493,191'Planar magnetic ring head for contact recording with a rigid disk'2002 6,411,470'Durable, low-vibration, dynamic-contact hard disk drive system'2002 6,320,725'Hard disk drive having ring head with predominantly perpendicular media fields'2001 6,212,047'Hard disk drive with magnetoresistive head and perpendicular media'2001 6,198,607'Contact planar magnetoresistive head'2001 6,160,685'Hard disk drive with lightly contacting head'2000 5,949,612'Low friction sliding hard disk drive system'1999 5,885,131'Interactive device for lapping transducers'1999 5,632,669'Interactive method for lapping transducers'1997 5,557,488'Gimbaled micro-head/flexure/conductor assembly and system'1996 5,490,027'Gimbaled micro-head/flexure/conductor assembly and system'1996 5,483,025'Unitary micro-flexure structure'1996 5,476,131'Unitary micro-flexure structure and method of making same'1995 5,453,315'Unitary micro-flexure structure and method of making same'1995 5,174,012'Method of making magnetic read/write head/flexure/conductor unit(s)'1992 5,163,218'Method of making integrated magnetic read/write head/flexure/conductor structure'1992 5,111,351'Integrated magnetic read/write head/flexure/conductor structure'1992 5,073,242'Method of making integrated magnetic read/write head/flexure/conductor structure'1991 5,063,712'Micro-burnishing flex head structure'1991 5,041,932'Integrated magnetic read/write head/flexure/conductor structure'1991 4,860,139'Planarized read/write head and method'1989 4,751,598'Thin-film, cross-field, closed-flux, anisotropic electromagnetic field device'1988 4,423,450'Magnetic head and multitrack transducer for perpendicular recording and method for fabricating'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2003Patents assigned to CENSTOR CORP (25)· patent assignee history

1983Based in Sylmar, CA, US· patent location history

1988–2006Based in Santa Clara, CA, US· patent location history

2000Based in San Jose, CA, US· patent location history

2004–2006Patents assigned to SEAGATE TECHNOLOGY LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CENSTOR CORP	25	1983–2003
SEAGATE TECHNOLOGY LLC	2	2004–2006

Locations

Location	Patents	Span
Santa Clara, California, US	25	1988–2006
San Jose, California, US	1	2000
Sylmar, California, US	1	1983