(19)
(11) EP 1 303 728 A2

(12)

(88) Date of publication A3:
29.08.2002

(43) Date of publication:
23.04.2003 Bulletin 2003/17

(21) Application number: 01951976.8

(22) Date of filing: 23.07.2001
(51) International Patent Classification (IPC)7F23Q 7/00
(86) International application number:
PCT/JP0106/348
(87) International publication number:
WO 0200/8669 (31.01.2002 Gazette 2002/05)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

(30) Priority: 25.07.2000 JP 2000223984

(71) Applicant: Bosch Automotive Systems Corporation
Tokyo 150-8360 (JP)

(72) Inventors:
  • TANAKA, Arihito,Bosch Automotive Systems Corp.
    Higashimatsuyama-shiSaitama-ken355-8603 (JP)
  • AOTA, TakashiBosch Automotive Systems Corporation
    Higashimatsuyama-shiSaitama-ken355-8603 (JP)
  • ZHAO, JianBosch Automotive Systems Corporation
    Higashimatsuyama-shiSaitama-ken355-8603 (JP)
  • MIURA, ToshitsuguBosch Automotive Systems Corp.
    Higashimatsuyama-shiSaitama-ken355-8603 (JP)

(74) Representative: HOFFMANN - EITLE 
Patent- und RechtsanwälteArabellastrasse 4
81925 München
81925 München (DE)

   


(54) CERAMIC HEATER GLOW PLUG AND METHOD OF MANUFACTURING SAME