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Extract from the Register of European Patents

EP About this file: EP0606912

EP0606912 - CMOS polyphase clock generation circuits [Right-click to bookmark this link]
Former [1994/29]Polyphase clock generation circuit
[1998/19]
StatusNo opposition filed within time limit
Status updated on  14.01.2000
Database last updated on 03.10.2024
Most recent event   Tooltip14.01.2000No opposition filed within time limitpublished on 01.03.2000 [2000/09]
Applicant(s)For all designated states
NEC Corporation
7-1, Shiba 5-chome Minato-ku
Tokyo 108-8001 / JP
[N/P]
Former [1994/29]For all designated states
NEC CORPORATION
7-1, Shiba 5-chome Minato-ku
Tokyo / JP
Inventor(s)01 / Hiratsuka, Koichi, c/o NEC Corporation
7-1, Shiba 5-chome, Minato-ku
Tokyo / JP
02 / Hikichi, Hiroshi, c/o NEC Corporation
7-1, Shiba 5-chome, Minato-ku
Tokyo / JP
[1994/29]
Representative(s)Betten, Jürgen
Betten & Resch Patentanwälte Postfach 10 02 51
80076 München / DE
[N/P]
Former [1994/29]Betten, Jürgen, Dipl.-Ing.
Betten & Resch Patentanwälte Reichenbachstrasse 19
D-80469 München / DE
Application number, filing date94100443.413.01.1994
[1994/29]
Priority number, dateJP1993000371213.01.1993         Original published format: JP 371293
[1994/29]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0606912
Date:20.07.1994
Language:EN
[1994/29]
Type: A3 Search report 
No.:EP0606912
Date:30.11.1994
Language:EN
[1994/48]
Type: B1 Patent specification 
No.:EP0606912
Date:10.03.1999
Language:EN
[1999/10]
Search report(s)(Supplementary) European search report - dispatched on:EP13.10.1994
ClassificationIPC:H03K5/15, H03K19/003
[1994/49]
CPC:
H03K5/1508 (EP,US); G06F1/06 (KR); H03K5/1515 (EP,US)
Former IPC [1994/29]H03K5/15
Designated contracting statesDE,   FR,   GB [1994/29]
TitleGerman:CMOS Schaltungen zur Erzeugung mehrphasiger Taktsignalen[1998/19]
English:CMOS polyphase clock generation circuits[1998/19]
French:Circuits de génération d'horloge polyphasés CMOS[1998/19]
Former [1994/29]Schaltung zur Erzeugung eines mehrphasigen Taktes
Former [1994/29]Polyphase clock generation circuit
Former [1994/29]Circuit de génération d'horloge polyphasé
Examination procedure22.03.1995Examination requested  [1995/21]
09.09.1996Despatch of a communication from the examining division (Time limit: M04)
10.01.1997Reply to a communication from the examining division
23.01.1997Despatch of a communication from the examining division (Time limit: M06)
25.07.1997Reply to a communication from the examining division
26.08.1997Despatch of a communication from the examining division (Time limit: M04)
04.12.1997Reply to a communication from the examining division
02.06.1998Despatch of communication of intention to grant (Approval: Yes)
17.09.1998Communication of intention to grant the patent
30.11.1998Fee for grant paid
30.11.1998Fee for publishing/printing paid
Opposition(s)11.12.1999No opposition filed within time limit [2000/09]
Fees paidRenewal fee
29.01.1996Renewal fee patent year 03
27.01.1997Renewal fee patent year 04
27.01.1998Renewal fee patent year 05
30.12.1998Renewal fee patent year 06
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[X]EP0348894  (NEC CORP [JP]) [X] 1,2 * figures 5-7; claim 1 *;
 [X]US5111076  (TARNG MIN MING [US]) [X] 1,2 * abstract *;
 [Y]DE3740362  (MITSUBISHI ELECTRIC CORP [JP]) [Y] 3-14 * the whole document *;
 [Y]EP0254786  (MONOLITHIC MEMORIES INC [US]) [Y] 3,4,7-10 * figure 5 *;
 [Y]EP0463854  (NEC CORP [JP]) [Y] 5,6,11-14 * figure 4 *;
 [A]JPS6468016  ;
 [A]JPH02124627  ;
 [A]JPH03204222  ;
 [A]JPS6012818  ;
 [A]JPS61156916
 [A]  - PATENT ABSTRACTS OF JAPAN, (19890629), vol. 13, no. 285, Database accession no. (E - 780), & JP01068016 A 00000000 (HITACHI, LTD.) [A] 7-14 * abstract *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19900731), vol. 14, no. 354, Database accession no. (E - 0958), & JP02124627 A 00000000 (NEC CORP) [A] 7-14 * abstract *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19911204), vol. 15, no. 476, Database accession no. (E - 1140), & JP03204222 A 00000000 (NEC CORP) [A] 7-14 * abstract *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19850531), vol. 9, no. 126, Database accession no. (E - 318), & JP60012818 A 00000000 (HITACHI, LTD.) [A] 15-20 * abstract *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19861203), vol. 10, no. 359, Database accession no. (E - 460), & JP61156916 A 00000000 (MATSUSHITA ELECTRIC CORP) [A] 15-20 * 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.