Inventor

Jean-Marc Coutellier

Inventor

Maurepas, FR

Overview

1990–1998

Patent span

Physics

Primary field (CPC G)

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 transducer48%

Y10TTechnical subjects covered by former us classification33%

B82YSpecific uses or applications of nanostructures4%

G01RMeasuring electric variables4%

G11CStatic stores4%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

PatentTitleYear

5,781,986'Method of making a magnetic recording/reading head'1998 5,771,142'Multitrack magnetic write/read head arrangement with integal multiple head gap widths'1998 5,696,447'Magneto-resistive magnetic field sensor with pole pieces and increased sensitivity'1997 5,420,734'Multitrack read head having a matrix network of elementary magneto-resistive heads'1995 5,306,573'Magnetic device and process for production of magnetoresistive sensors according to this process'1994 5,282,104'Magnetic reading device with read head matrix network'1994 5,251,088'Magnetic read head with magneto-resistance effect'1993 5,167,062'Method of manufacturing magnetic write/read head and fabrication method'1992 5,123,156'Method for the production of a read-write magnetic head'1992 5,093,980'Method for making a multitrack head'1992 5,067,230'Method for the manufacture of planar magnetic heads by making cavities in a non-magnetic wafer'1991 5,042,140'Process for making an apparatus utilizing a layered thin film structure'1991 4,939,835'Method for achieving the planar surface of an active face for a magnetic recording/reading head'1990 4,939,836'Method for the fabrication of a magnetic recording/reading head from a magnetic substrate'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1991Patents assigned to EUROP COMPOSANTS ELECTRON (3)· patent assignee history

1990–1998Based in Maurepas, FR· patent location history

1991–1998Patents assigned to THOMSON CSF (11)· patent assignee history

1998Patents assigned to THOMSON MULTIMEDIA SA (2)· patent assignee history

1998Based in Maurefas, FR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
THOMSON CSF	11	1991–1998
EUROP COMPOSANTS ELECTRON	3	1990–1991
THOMSON MULTIMEDIA SA	2	1998

Locations

Location	Patents	Span
Maurepas, FR	13	1990–1998
Maurefas, FR	1	1998