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Extract from the Register of European Patents

EP About this file: EP1058167

EP1058167 - Liquid crystal display device and its driving method [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  08.08.2003
Database last updated on 27.07.2024
Most recent event   Tooltip08.08.2003No opposition filed within time limitpublished on 24.09.2003  [2003/39]
Applicant(s)For all designated states
CITIZEN WATCH CO. LTD.
1-12, Tanashicho 6-chome, Nishitokyo-shi
Tokyo 188-8511 / JP
[N/P]
Former [2001/47]For all designated states
Citizen Watch Co. Ltd.
1-12, Tanashicho 6-chome, Nishitokyo-shi
Tokyo 188-8511 / JP
Former [2000/49]For all designated states
Citizen Watch Co., Ltd.
1-1, Nishi-Shinjuku 2-chome, Shinjuku-ku
Tokyo 163-0428 / JP
Inventor(s)01 / Kaneko, Yasushi, c/o Citizen Watch Co., Ltd.
840, Aza-Takeno, Oaza Shimotomi
Tokorozawa-shi, Saitama 359-8511 / JP
02 / Yoshikawa, Kazuhiko, c/o Citizen Watch Co., Ltd.
Tanashi Factroy, 1-12, Honcho 6-chome
Tanashi-shi, Tokyo 188-8511 / JP
[2000/49]
Representative(s)Prüfer, Lutz H., et al
PRÜFER & PARTNER GbR
Patentanwälte
Harthauser Strasse 25d
81545 München / DE
[N/P]
Former [2000/49]Prüfer, Lutz H., Dipl.-Phys., et al
PRÜFER & PARTNER, Patentanwälte, Harthauser Strasse 25d
81545 München / DE
Application number, filing date00117162.827.11.1998
[2000/49]
Priority number, dateJP1997032760028.11.1997         Original published format: JP 32760097
[2000/49]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP1058167
Date:06.12.2000
Language:EN
[2000/49]
Type: B1 Patent specification 
No.:EP1058167
Date:02.10.2002
Language:EN
[2002/40]
Search report(s)(Supplementary) European search report - dispatched on:EP18.10.2000
ClassificationIPC:G04G9/00, G02F1/1347
[2000/49]
CPC:
G02F1/13306 (EP,US); G02F1/133 (KR); G02F1/1347 (EP,US);
G09G3/36 (EP,US); G09G5/02 (EP,US); G02F1/13471 (EP,US)
Designated contracting statesDE,   FR,   GB,   NL [2000/49]
TitleGerman:Flüssigkristallanzeigevorrichtung und Steuerverfahren dafür[2000/49]
English:Liquid crystal display device and its driving method[2000/49]
French:Dispositif d'affichage à cristaux liquides et sa méthode de commande[2000/49]
Examination procedure10.08.2000Request for accelerated examination filed
02.02.2001Examination requested  [2001/14]
09.04.2001Despatch of a communication from the examining division (Time limit: M04)
09.04.2001Decision about request for accelerated examination - accepted: Yes
30.07.2001Reply to a communication from the examining division
23.10.2001Despatch of communication of intention to grant (Approval: Yes)
22.02.2002Fee for grant paid
22.02.2002Fee for publishing/printing paid
18.03.2002Communication of intention to grant the patent
Parent application(s)   TooltipEP98955949.7  / EP0959394
Opposition(s)03.07.2003No opposition filed within time limit [2003/39]
Fees paidRenewal fee
10.08.2000Renewal fee patent year 03
23.11.2001Renewal fee patent year 04
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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[A]GB2062927  (CITIZEN WATCH CO LTD) [A] 1-3 * page 5, line 4 - page 7, column 88; figures 1-19 *;
 [A]EP0379241  (PHILIPS NV [NL]) [A] 1-3 * page 3, line 11 - page 5, line 34 *;
 [A]US5680184  (NISHINO TOSHIHARU [JP]) [A] 1-3 * column 30, line 10 - column 38, line 24 *;
 [A]EP0209439  (RENAULT [FR]) [A] 1-3 * figures 1-5 *;
 [A]US4097128  (MATSUMOTO SHOICHI, et al) [A] 1-3 * figures 2-8 *
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.