(19)
(11) EP 0 851 225 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
01.07.2009 Bulletin 2009/27

(45) Mention of the grant of the patent:
18.03.2009 Bulletin 2009/12

(21) Application number: 97122863.0

(22) Date of filing: 24.12.1997
(51) International Patent Classification (IPC): 
G01N 27/407(2006.01)
G01N 27/419(2006.01)
 G01N 27/417(2006.01)

(54)

Exhaust gas sensor system

Abgassensorsystem

Système de capteur de gaz d'échappement

(84) Designated Contracting States:
DE FR GB IT SE

(30) Priority: 29.12.1996 JP 35878996
19.03.1997 JP 8579297
25.04.1997 JP 12306497
26.08.1997 JP 24609297
12.11.1997 JP 32708097

(43) Date of publication of application:
01.07.1998 Bulletin 1998/27

(73) Proprietor: NGK SPARK PLUG CO., LTD
Mizuho-ku Nagoya Aichi (JP)

(72) Inventors:
  • Inoue, Ryuji
    Mizuho-ku, Nagoya, Aichi (JP)
  • Fuma, Tomohiro
    Mizuho-ku, Nagoya, Aichi (JP)
  • Kitanoya, Shoji
    Mizuho-ku, Nagoya, Aichi (JP)
  • Mizutani, Yumi
    Mizuho-ku, Nagoya Aichi (JP)
  • Kida, Masahito
    Mizuho-ku, Nagoya, Aichi (JP)
  • Oshima, Takafumi
    Mizuho-ku, Nagoya Aichi (JP)
  • Hibino, Takashi
    Mizuho-ku, Nagoya, Aichi (JP)

(74) Representative: Winter, Brandl, Fürniss, Hübner Röss, Kaiser, Polte Partnerschaft Patent- und Rechtsanwaltskanzlei 
Alois-Steinecker-Strasse 22
85354 Freising
85354 Freising (DE)


(56) References cited: : 
EP-A- 0 517 364
WO-A-95/14226
US-A- 5 281 313
US-A- 5 527 446
 EP-A- 0 731 351
US-A- 4 601 809
US-A- 5 304 294
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).