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Extract from the Register of European Patents

EP About this file: EP0953849

EP0953849 - Spin tunnel magneto-resistance effect type magnetic sensor and production method thereof [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  28.06.2003
Database last updated on 24.04.2024
Most recent event   Tooltip28.06.2003Withdrawal of applicationpublished on 13.08.2003  [2003/33]
Applicant(s)For all designated states
Hitachi, Ltd.
6 Kanda Surugadai 4-chome
Chiyoda-ku
Tokyo 100-8010 / JP
[N/P]
Former [1999/44]For all designated states
Hitachi, Ltd.
6 Kanda Surugadai 4-chome
Chiyoda-ku, Tokyo 101-8010 / JP
Inventor(s)01 / Komuro, Matahiro
12-2, Osecho-3-chome
Hitachi-shi / JP
02 / Kawato, Yoshiaki
10-12, Suehirocho-3-chome
Hitachi-shi / JP
[1999/44]
Representative(s)Strehl Schübel-Hopf & Partner
Maximilianstrasse 54
80538 München / DE
[1999/44]
Application number, filing date99108288.427.04.1999
[1999/44]
Priority number, dateJP1998012050430.04.1998         Original published format: JP 12050498
[1999/44]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0953849
Date:03.11.1999
Language:EN
[1999/44]
Type: A3 Search report 
No.:EP0953849
Date:15.03.2000
[2000/11]
Search report(s)(Supplementary) European search report - dispatched on:EP02.02.2000
ClassificationIPC:G01R33/09, G11B5/00, G11B5/39
[1999/44]
CPC:
B82Y25/00 (EP,US); H10N50/10 (KR); G01R33/093 (EP,US);
B82Y10/00 (EP,US); G01R33/098 (EP,US); G11B5/00 (EP,US);
G11B5/3903 (EP,US); G11B5/3909 (EP,US); G11B5/3967 (EP,US);
Y10T29/49044 (EP,US) (-)
Designated contracting statesDE,   FR,   GB [2000/47]
Former [1999/44]AT,  BE,  CH,  CY,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE 
TitleGerman:Spintunnel Magnetowiderstandseffektfühler und dessen Herstellungsverfahren[1999/44]
English:Spin tunnel magneto-resistance effect type magnetic sensor and production method thereof[1999/44]
French:Capteur magnétorésistif à effet tunnel de spin et procédé de fabrication[1999/44]
Examination procedure07.09.2000Examination requested  [2000/44]
23.06.2003Application withdrawn by applicant  [2003/33]
Fees paidRenewal fee
25.04.2001Renewal fee patent year 03
23.04.2002Renewal fee patent year 04
24.04.2003Renewal fee patent year 05
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Documents cited:Search[XA]US5650958  (GALLAGHER WILLIAM JOSEPH [US], et al) [X] 1,9 * column 4, line 55 - column 5, line 27 * * column 8, line 44 - column 9, line 3 * [A] 2;
 [A]US5729410  (FONTANA JR ROBERT EDWARD [US], et al) [A] 2,5 * abstract ** column 6, line 1 - line 29 *
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.