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Extract from the Register of European Patents

EP About this file: EP0288044

EP0288044 - Ink jet recording apparatus with density control function [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  23.05.1997
Database last updated on 04.11.2024
Most recent event   Tooltip23.05.1997Patent maintained (B2 publication)published on 09.07.1997 [1997/28]
Applicant(s)For all designated states
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
1006, Oaza Kadoma Kadoma-shi Osaka
571-8501 / JP
[N/P]
Former [1988/43]For all designated states
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
1006, Ohaza Kadoma
Kadoma-shi, Osaka-fu, 571 / JP
Inventor(s)01 / Iwasawa, Toshiyuki
2-12-15, Hijirigaoka
Tama-shi Tokyo / JP
02 / Miura, Masayoshi
2-19-16, Minami Ikuta
Tama-ku Kawasaki / JP
[1988/43]
Representative(s)Finsterwald, Manfred, et al
Manitz, Finsterwald & Partner GbR
Postfach 31 02 20
80102 München / DE
[N/P]
Former [1994/48]Finsterwald, Manfred, Dipl.-Ing., Dipl.-Wirtsch.-Ing., et al
Manitz, Finsterwald & Rotermund Patentanwälte Postfach 22 16 11
D-80506 München / DE
Former [1989/05]Grams, Klaus Dieter, Dipl.-Ing.
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
D-80336 München / DE
Former [1988/43]Grams, Klaus Dieter, Dipl.-Ing.
Patentanwaltsbüro Tiedtke-Bühling-Kinne- Grupe-Pellmann-Grams-Struif-Winter-Roth Bavariaring 4
D-8000 München 2 / DE
Application number, filing date88106339.020.04.1988
[1988/43]
Priority number, dateJP1987010225424.04.1987         Original published format: JP 10225487
[1988/43]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0288044
Date:26.10.1988
Language:EN
[1988/43]
Type: A3 Search report 
No.:EP0288044
Date:29.08.1990
Language:EN
[1990/35]
Type: B1 Patent specification 
No.:EP0288044
Date:24.11.1993
Language:EN
[1993/47]
Type: B2 New European patent specification 
No.:EP0288044
Date:09.07.1997
Language:EN
[1997/28]
Search report(s)(Supplementary) European search report - dispatched on:EP12.07.1990
ClassificationIPC:B41J2/205
[1993/47]
CPC:
B41J2/2128 (EP,US)
Former IPC [1988/43]B41J3/04
Designated contracting statesDE,   FR,   GB [1988/43]
TitleGerman:Tintenstrahlaufzeichnungsgerät mit Dichtekontrollfunktion[1988/43]
English:Ink jet recording apparatus with density control function[1988/43]
French:Appareil d'enregistrement à jet d'encre avec fonction de contrôle de densité[1988/43]
Examination procedure20.04.1988Examination requested  [1988/43]
24.07.1992Despatch of a communication from the examining division (Time limit: M04)
25.11.1992Reply to a communication from the examining division
25.02.1993Despatch of communication of intention to grant (Approval: Yes)
17.05.1993Communication of intention to grant the patent
17.08.1993Fee for grant paid
17.08.1993Fee for publishing/printing paid
Opposition(s)Opponent(s)01  23.08.1994  05.09.1994  ADMISSIBLE
Canon Kabushiki Kaisha
30-2, 3-chome, Shimomaruko
Ohta-ku, Tokyo 146 / JP
Opponent's representative
Field, Howard John, et al, et al
Beresford Crump LLP
16 High Holborn
London WC1V 6BX / GB
 02  24.08.1994  06.09.1994  ADMISSIBLE
Gerganoff, Konstantin
Oberföhringer Strasse 127a
D-81925 München / DE
Opponent's representative
Heusler, Wolfgang, et al, et al
V. Bezold & Partner
Patentanwälte - PartG mbB
Akademiestrasse 7
80799 München / DE
 [N/P]
Former [1994/42]
Opponent(s)01  23.08.1994  05.09.1994  ADMISSIBLE
Canon Kabushiki Kaisha
30-2, 3-chome, Shimomaruko
Ohta-ku, Tokyo 146 / JP
Opponent's representative
Field, Howard John, et al, et al
BERESFORD & Co. 2-5 Warwick Court High Holborn
London WC1R 5DJ / GB
 02  24.08.1994  06.09.1994  ADMISSIBLE
Gerganoff, Konstantin
Oberföhringer Strasse 127a
D-81925 München / DE
Opponent's representative
Heusler, Wolfgang, Dipl.-Ing., et al, et al
Dr. Dieter von Bezold Dipl.-Ing. Peter Schütz Dipl.-Ing. Wolfgang Heusler Brienner Strasse 52
D-80333 München / DE
Former [1994/41]
Opponent(s)01  23.08.1994  05.09.1994  ADMISSIBLE
Canon Kabushiki Kaisha
30-2, 3-chome, Shimomaruko
Ohta-ku, Tokyo 146 / JP
Opponent's representative
Field, Howard John, et al, et al
BERESFORD & Co. 2-5 Warwick Court High Holborn
London WC1R 5DJ / GB
18.10.1994Invitation to proprietor to file observations on the notice of opposition
28.04.1995Reply of patent proprietor to notice(s) of opposition
13.09.1996Date of oral proceedings
04.10.1996Despatch of interlocutory decision in opposition
04.10.1996Despatch of minutes of oral proceedings
14.10.1996Legal effect of interlocutory decision in opposition
03.02.1997Despatch of communication that the patent will be maintained as amended
06.05.1997Fee for printing new specification paid
Fees paidRenewal fee
25.04.1990Renewal fee patent year 03
31.12.1990Renewal fee patent year 04
28.04.1992Renewal fee patent year 05
27.04.1993Renewal fee patent year 06
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Documents cited:Search[X]US4521786  (BAIN LEE L [US]);
 [A]DE3612469  (CANON KK [JP]);
 [A]EP0150119  (NEC CORP [JP]);
 [A]JPS60125672  (CANON KK);
 [A]EP0208322  (TOKYO ELECTRIC CO LTD [JP]);
 [A]US4547784  (ERLICHMAN IRVING [US], et al)
by applicantUS4555717
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.