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Extract from the Register of European Patents

EP About this file: EP1126531

EP1126531 - Magnetoresistance effect device, and magnetoresistance effect type head, memory device, and amplifying device using the same [Right-click to bookmark this link]
StatusThe application has been refused
Status updated on  02.05.2003
Database last updated on 24.04.2024
Most recent event   Tooltip18.12.2009Change - representativepublished on 20.01.2010  [2010/03]
Applicant(s)For all designated states
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
1006, Oaza Kadoma Kadoma-shi Osaka
571-8501 / JP
[2008/47]
Former [2001/34]For all designated states
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
1006, Ohaza Kadoma
Kadoma-shi, Osaka 571-8501 / JP
Inventor(s)01 / Sakakima, Hiroshi
3-20-19, Kasumizaka, Tanabe-cho
Tsuzuki-gun, Kyoto / JP
02 / Irie, Yousuke
44-405 Tsurumaidanchi, Tsurumaihigashi-machi 1 Ban
Nara-shi, Nara 631-0021 / JP
03 / Satomi, Mitsuo
6-52-4, Kisabe
Katano-shi, Osaka / JP
04 / Kawawake, Yasuhiro
Lune-Uji, Nanryo-cho-minami 511, 34-1, Nishihata
Ogura-cho, Uji-shi, Kyoto / JP
 [2001/38]
Former [2001/34]01 / Sakakima, Hiroshi
3-20-19, Kasumizaka, Tanabe-cho
Tsuzuki-gun, Kyoto / JP
02 / Irie, Yousuke
25-3, Mido-cho
Kadoma-shi, Osaka / JP
03 / Satomi, Mitsuo
6-52-4, Kisabe
Katano-shi, Osaka / JP
04 / Kawawake, Yasuhiro
Lune-Uji, Nanryo-cho-minami 511, 34-1, Nishihata
Ogura-cho, Uji-shi, Kyoto / JP
Representative(s)Balsters, Robert, et al
Novagraaf International S.A. Chemin de l'Echo 3
1213 Onex / CH
[N/P]
Former [2010/03]Balsters, Robert, et al
Novagraaf International S.A. Avenue du Pailly 25
1220 Les Avanchets-Genève / CH
Former [2001/34]Balsters, Robert, et al
Novapat International SA, 9, rue du Valais
1202 Genève / CH
Application number, filing date01102181.302.05.1995
[2001/34]
Priority number, dateJP1994009325702.05.1994         Original published format: JP 9325794
JP1994012507207.06.1994         Original published format: JP 12507294
JP1994014922930.06.1994         Original published format: JP 14922994
JP1994017682228.07.1994         Original published format: JP 17682294
JP1994017807829.07.1994         Original published format: JP 17807894
JP1994018748409.08.1994         Original published format: JP 18748494
JP1994019045712.08.1994         Original published format: JP 19045794
JP1994030361507.12.1994         Original published format: JP 30361594
JP1994031314716.12.1994         Original published format: JP 31314794
JP1995005306713.03.1995         Original published format: JP 5306795
JP1995005163010.03.1995         Original published format: JP 5163095
[2001/34]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1126531
Date:22.08.2001
Language:EN
[2001/34]
Type: A3 Search report 
No.:EP1126531
Date:17.10.2001
[2001/42]
Search report(s)(Supplementary) European search report - dispatched on:EP03.09.2001
ClassificationIPC:H01L43/10, G11B5/39, G11C11/15, H03F15/00
[2001/34]
CPC:
H03F7/02 (EP,US); B82Y10/00 (EP,US); B82Y25/00 (EP,US);
G01R33/093 (EP,US); G11B5/3903 (EP,US); G11C11/161 (EP,US);
G11C11/1657 (EP,US); G11C11/1673 (EP,US); G11C11/1675 (EP,US);
G11C11/5607 (EP,US); H01F10/3281 (EP,US); H10B61/00 (EP,US);
H10N50/85 (EP,US); G11B2005/3996 (EP,US); G11B5/3925 (EP,US);
G11C2211/5616 (EP,US) (-)
Designated contracting statesDE,   FR,   GB [2001/34]
TitleGerman:Magnetowiderstandseffektvorrichtung und hiermit versehener Magnetkopf, Speicher- und Verstärkungsanordnung[2001/34]
English:Magnetoresistance effect device, and magnetoresistance effect type head, memory device, and amplifying device using the same[2001/34]
French:Dispositif à magnétorésistance et tête à effet de magnétorésistance, dispositif de mémoire et amplificateur utilisant ce dispositif[2001/34]
Examination procedure05.02.2001Request for accelerated examination filed
23.02.2001Examination requested  [2001/34]
06.07.2001Decision about request for accelerated examination - accepted: Yes
26.06.2002Despatch of a communication from the examining division (Time limit: M04)
24.10.2002Reply to a communication from the examining division
17.01.2003Despatch of communication that the application is refused, reason: substantive examination [2003/25]
27.01.2003Application refused, date of legal effect [2003/25]
Parent application(s)   TooltipEP95106589.5  / EP0681338
Fees paidRenewal fee
21.03.2001Renewal fee patent year 03
21.03.2001Renewal fee patent year 04
21.03.2001Renewal fee patent year 05
21.03.2001Renewal fee patent year 06
18.05.2001Renewal fee patent year 07
28.05.2002Renewal fee patent year 08
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Documents cited:Search[PX]JPH06122963  ;
 [A]US3382448  (OBERG PAUL E, et al) [A] 28 * abstract *;
 [A]EP0498344  (MATSUSHITA ELECTRIC IND CO LTD [JP], et al) [A] 1,3,5,6,9,10,12,24 * the whole document *;
 [A]FR2677811  (PHILIPS ELECTRONIQUE LAB [FR]) [A] 1,10,11 * claim - *;
 [A]US5173873  (WU JIIN-CHUAN [US], et al) [A] 1,25 * the whole document *;
 [A]EP0548841  (TDK CORP [JP], et al) [A] 1-10,12,24 * the whole document *;
 [A]EP0578196  (NEC CORP [JP]) [A] 1-6,9-12 * page 3, line 29 - page 4, line 36 * * page 5, line 7 - line 10; figure - *;
 [A]EP0594243  (PHILIPS ELECTRONICS NV [NL]) [A] 1-8,10-12,24 * page 3, line 7 - line 36 * * page 4, line 14 - line 36 * * figure - *;
 [PX]EP0613148  (IBM [US]) [PX] 25 * the whole document *;
 [E]US5514452  (ARAKI SATORU [JP], et al) [E] 1,5,6,9 * claim - *;
 [A]  - PRATT W P ET AL, "GIANT MAGNETORESISTANCE WITH CURRENT PERPENDICULAR TO THE MULTILAYER PLANES", JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, (19930901), vol. 126, no. 1 - 03, pages 406 - 409, XP000395821 [A] 1,23 * page 406, paragraph 1 *

DOI:   http://dx.doi.org/10.1016/0304-8853(93)90639-J
 [A]  - MCGUIRE T R ET AL, "MAGNETORESISTANCE AND MAGNETIC PROPERTIES OF CO/CU/CO SANDWICH FILM WITH THIN CO LAYER INSERT", JOURNAL OF APPLIED PHYSICS, (19930515), vol. 73, no. 10 PART 02A, page 5541, XP000381186 [A] 1,12 * abstract *

DOI:   http://dx.doi.org/10.1063/1.353643
 [PX]  - PATENT ABSTRACTS OF JAPAN, (19940804), vol. 18, no. 415, Database accession no. (C - 1233), & JP06122963 A 19940506 (TDK CORP) [PX] 1,5,6,9 * abstract *
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.