blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability
Register Forum

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0613082

EP0613082 - 4:2 adder and multiplier circuit employing the same [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  17.03.2001
Database last updated on 31.08.2024
Most recent event   Tooltip17.03.2001No opposition filed within time limitpublished on 02.05.2001 [2001/18]
Applicant(s)For all designated states
NEC Corporation
7-1, Shiba 5-chome Minato-ku
Tokyo 108-8001 / JP
[N/P]
Former [2000/19]For all designated states
NEC CORPORATION
7-1, Shiba 5-chome, Minato-ku
Tokyo / JP
Former [1994/35]For all designated states
NEC CORPORATION
7-1, Shiba 5-chome Minato-ku
Tokyo / JP
Inventor(s)01 / Hagihara, Yasuhiko, c/o NEC CORPORATION
7-1, Shiba 5-chome
Minato-ku, Tokyo / JP
[1994/35]
Representative(s)Betten & Resch
Patent- und Rechtsanwälte PartGmbB
Postfach 10 02 51
80076 München / DE
[N/P]
Former [1994/35]Betten & Resch
Reichenbachstrasse 19
D-80469 München / DE
Application number, filing date94102668.422.02.1994
[1994/35]
Priority number, dateJP1993003104222.02.1993         Original published format: JP 3104293
[1994/35]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0613082
Date:31.08.1994
Language:EN
[1994/35]
Type: B1 Patent specification 
No.:EP0613082
Date:10.05.2000
Language:EN
[2000/19]
Search report(s)(Supplementary) European search report - dispatched on:EP07.06.1994
ClassificationIPC:G06F7/50, G06F7/52
[1999/10]
CPC:
G06F7/509 (EP,US); G06F7/5318 (EP,US); G06F7/607 (EP,US)
Former IPC [1994/35]G06F7/60, G06F7/52, G06F7/50
Designated contracting statesDE,   FR,   GB [1994/35]
TitleGerman:4:2-Addierer und diesen verwendende Multiplizierschaltung[1994/35]
English:4:2 adder and multiplier circuit employing the same[1994/35]
French:Additioneur 4:2 et circuit multiplieur utilisant celui-ci[1994/35]
Examination procedure08.11.1994Examination requested  [1995/02]
08.06.1998Despatch of a communication from the examining division (Time limit: M06)
04.12.1998Reply to a communication from the examining division
23.02.1999Despatch of communication of intention to grant (Approval: No)
23.08.1999Despatch of a communication from the examining division (Time limit: M02)
13.10.1999Despatch of communication of intention to grant (Approval: later approval)
13.10.1999Reply to a communication from the examining division
04.11.1999Communication of intention to grant the patent
14.02.2000Fee for grant paid
14.02.2000Fee for publishing/printing paid
Opposition(s)13.02.2001No opposition filed within time limit [2001/18]
Fees paidRenewal fee
27.02.1996Renewal fee patent year 03
27.02.1997Renewal fee patent year 04
27.02.1998Renewal fee patent year 05
07.01.1999Renewal fee patent year 06
29.02.2000Renewal fee patent year 07
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
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]  - G. GOTO ET AL., "A 54 x 54-b Regularly Structured Tree Multiplier", IEEE JOURNAL OF SOLID-STATE CIRCUITS., NEW YORK US, (199209), vol. 27, no. 9, pages 1229 - 1235, XP000311186 [X] 1-7 * figures 1,4 *

DOI:   http://dx.doi.org/10.1109/4.149426
 [A]  - M. SANTORO ET AL., "SPIM: A Pipelined 64 x 64-bit Iterative Multiplier", IEEE JOURNAL OF SOLID-STATE CIRCUITS., NEW YORK US, (198904), vol. 24, no. 2, pages 487 - 493, XP000124892 [A] 1,3,4,6 * page 489, column L, line 11 - line 13; table I *

DOI:   http://dx.doi.org/10.1109/4.18614
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.