High-Strength Steel Plate With Excellent Formability, Warm Working Method, And Warm-Worked Automotive Part - EP2641990

The patent EP2641990 was granted to Kabushiki Kaisha Kobe Seiko SHO Kobe Steel on Mar 20, 2019. The application was originally filed on Nov 16, 2011 under application number EP11840864A. The patent is currently recorded with a legal status of "Revoked".

EP2641990

KABUSHIKI KAISHA KOBE SEIKO SHO KOBE STEEL
Application Number
EP11840864A
Filing Date
Nov 16, 2011
Status
Revoked
Mar 26, 2021
Grant Date
Mar 20, 2019
External Links
Slate, Register, Google Patents

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ARCELORMITTALDec 18, 2019LAVOIX -

Patent Citations (22) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONJP20100258152-
DESCRIPTIONJP20110180617-
DESCRIPTIONJP2003019319
DESCRIPTIONJP2004190050
INTERNATIONAL-SEARCH-REPORTJP2004190050
INTERNATIONAL-SEARCH-REPORTJP2010065272
INTERNATIONAL-SEARCH-REPORTJP2010116593
OPPOSITIONEP0407275
OPPOSITIONEP2746416
OPPOSITIONJP2007327123
OPPOSITIONJP2010065272
OPPOSITIONJP2010258152
OPPOSITIONJP2011180617
OPPOSITIONUS2005150580
OPPOSITIONWO2009048838
SEARCHEP1676932
SEARCHJP2004190050
SEARCHJP2010065272
SEARCHJP2010116593
SEARCHUS2005150580
SEARCHWO2010029983
SEARCHWO2010030021

Non-Patent Literature (NPL) Citations (5) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
DESCRIPTION- Atlas for Bainitic Microstructures, THE IRON AND STEEL INSTITUTE OF JAPAN, vol. 1-
DESCRIPTION- ISIJ INT., (1933), vol. 33, no. 7, page 776-
DESCRIPTION- K SUGIMOTO; SM SONG; J. SAKAGUCHI; A. NAGASAKA; T. KASHIMA, "Warm Formability of Ultra High-strength Low Alloy TRIP-aided Sheet Steels With Bainitic Ferrite Matrix", TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN, (2005), vol. 91, no. 2, pages 34 - 40-
OPPOSITION- "La fabrication des aciers plats au carbone", Béranger Gérard, Et Al., Livre de l'acier, (19940000), pages 1296 - 1299, XP055662453-
OPPOSITION- Sugimoto Koh-Ichi, Et Al., "Warm stretch-formability of TRIP-aided dual-phase sheet steels", ISIJ INTERNATIONAL, (19950000), pages 1407 - 1414, XP055355685-

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