Extract from the Register of European Patents

About this file: EP0698926

EP0698926 - Normally off-static induction thyristor [Right-click to bookmark this link]
Former [1996/09]Normally off-static induction thyristor and method of manufacturing the same
StatusNo opposition filed within time limit
Status updated on  24.08.2001
Database last updated on 18.03.2019
Most recent event   Tooltip24.08.2001No opposition filed within time limitpublished on 10.10.2001 [2001/41]
Applicant(s)For all designated states
NGK Insulators, Ltd.
2-56, Suda-Cho, Mizuho-ku
Nagoya City, Aichi Pref. / JP
Former [1996/09]For all designated states
2-56, Suda-cho, Mizuho-ku
Nagoya City Aichi Pref. / JP
Inventor(s)01 / Terasawa, Yoshio
622-19, Ichige, Hitachinaka -city
Ibaraki-pref., 312 / JP
Representative(s)Paget, Hugh Charles Edward , et al
Mewburn Ellis LLP
City Tower
40 Basinghall Street
London EC2V 5DE / GB
Former [1996/09]Paget, Hugh Charles Edward , et al
MEWBURN ELLIS York House 23 Kingsway
London WC2B 6HP / GB
Application number, filing date95305727.016.08.1995
Priority number, dateJP1994020254626.08.1994         Original published format: JP 20254694
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
Type: A3 Search report 
Type: B1 Patent specification 
Search report(s)(Supplementary) European search report - dispatched on:EP26.02.1998
ClassificationInternational:H01L29/739, H01L21/332
Designated contracting statesCH,   DE,   GB,   LI,   SE [1996/09]
TitleGerman:Im Normalzustand abgeschalteter statischer Induktionsthyristor[1999/35]
English:Normally off-static induction thyristor[1999/35]
French:Thyristor à induction statique normalement non-conducteur[1999/35]
Former [1996/09]Im Normalzustand abgeschalteter statischer Induktionsthyristor und Herstellungsverfahren
Former [1996/09]Normally off-static induction thyristor and method of manufacturing the same
Former [1996/09]Thyristor à induction statique normalement non-conducteur et son procédé de fabrication
Examination procedure27.08.1998Examination requested  [1998/44]
23.12.1998Despatch of a communication from the examining division (Time limit: M06)
30.06.1999Reply to a communication from the examining division
20.08.1999Despatch of communication of intention to grant (Approval: Yes)
11.01.2000Communication of intention to grant the patent
31.03.2000Fee for grant paid
31.03.2000Fee for publishing/printing paid
Divisional application(s)EP99124986.3  / EP0994514
Opposition(s)26.07.2001No opposition filed within time limit [2001/41]
Fees paidRenewal fee
22.08.1997Renewal fee patent year 03
21.08.1998Renewal fee patent year 04
23.08.1999Renewal fee patent year 05
22.08.2000Renewal fee patent year 06
Documents cited:Search[A]US4198645  (NISHIZAWA JUN-ICHI [JP]) [A] 1-14 * column 4, line 2 - line 7; figure 1 *;
 [A]JPS6262558  ;
 [A]EP0190508  (TOSHIBA KK [JP]) [A] 1-8 * figures 4C,4D *;
 [A]EP0022483  (LICENTIA GMBH [DE]) [A] 9-14 * page 5 - page 6; figure 2 *;
 [PX]EP0663698  (NGK INSULATORS LTD [JP]) [PX] 1,7,8 * figure 26 *;
 [E]EP0687015  (NGK INSULATORS LTD [JP]) [E] 9-14 * figures 3,4 *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19870813), vol. 011, no. 249, Database accession no. (E - 532), [A] 1-8 * the whole document *