Extract from the Register of European Patents

EP About this file: EP0023400

EP0023400 - Leadless packages for semiconductor devices [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  31.01.1985
Database last updated on 28.03.2026
Most recent event   Tooltip31.01.1985No opposition filed within time limitpublished on 03.04.1985 [1985/14]
Applicant(s)For all designated states
FUJITSU LIMITED
1015, Kamikodanaka, Nakahara-ku Kawasaki-shi
Kanagawa 211 / JP
[N/P]
Former [1981/05]For all designated states
FUJITSU LIMITED
1015, Kamikodanaka, Nakahara-ku
Kawasaki-shi, Kanagawa 211 / JP
Inventor(s)01 / Honda, Norio
21-4, Miyashita Kamiarakuda Machikitamachi
Aizuwakamatsu-shi Fukushima, 965 / JP
02 / Hayashi, Kunihiko
6212-3-5-104, Izumi-cho Totsuka-ku
Yokohama-shi Kanagawa, 245 / JP
[1981/05]
Representative(s)Bedggood, Guy Stuart, et al
Haseltine Lake & Co., Imperial House, 15-19 Kingsway
London WC2B 6UD / GB
[N/P]
Former [1981/05]Bedggood, Guy Stuart, et al
Haseltine Lake & Co. Hazlitt House 28 Southampton Buildings Chancery Lane
London WC2A 1AT / GB
Application number, filing date80302341.510.07.1980
[1981/05]
Priority number, dateJP1979009532711.07.1979         Original published format: JP 9532779
[1981/05]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0023400
Date:04.02.1981
Language:EN
[1981/05]
Type: B1 Patent specification 
No.:EP0023400
Date:21.03.1984
Language:EN
[1984/12]
Search report(s)(Supplementary) European search report - dispatched on:EP20.11.1980
ClassificationIPC:H01L23/02, H01L23/50
[1981/05]
CPC:
H10W76/157 (EP); H05K3/403 (EP); H10W70/68 (EP);
H10W70/685 (EP); H10W76/18 (EP); H05K1/0306 (EP);
H05K1/092 (EP); H05K2201/09181 (EP); H05K2201/09709 (EP);
H05K2201/09845 (EP); H05K3/3442 (EP); H05K3/4061 (EP);
H05K3/4611 (EP); H05K3/4629 (EP); H10W90/754 (EP) (-)
Designated contracting statesDE,   FR,   GB,   NL [1981/16]
Former [1981/05]AT,  BE,  CH,  DE,  FR,  GB,  IT,  LI,  LU,  NL,  SE 
TitleGerman:Leitungsloses Gehäuse für Halbleitervorrichtungen[1981/05]
English:Leadless packages for semiconductor devices[1981/05]
French:Boîtiers sans conducteurs pour dispositifs semiconducteurs[1981/05]
File destroyed:20.04.2002
Examination procedure10.11.1980Despatch of communication of loss of particular rights: designated state(s) AT, BE, CH, IT, LI, LU, SE
20.01.1981Loss of particular rights, legal effect: designated state(s)
05.03.1981Examination requested  [1981/20]
22.07.1981Despatch of a communication from the examining division (Time limit: M04)
19.11.1981Reply to a communication from the examining division
15.06.1983Despatch of communication of intention to grant (Approval: )
09.09.1983Communication of intention to grant the patent
10.11.1983Fee for grant paid
10.11.1983Fee for publishing/printing paid
Opposition(s)22.12.1984No opposition filed within time limit [1985/14]
Fees paidRenewal fee
01.07.1982Renewal fee patent year 03
30.06.1983Renewal fee patent year 04
Penalty fee
Penalty fee Rule 85a EPC 1973
11.08.1980AT   M02   Not yet paid
11.08.1980BE   M02   Not yet paid
11.08.1980CH   M02   Not yet paid
11.08.1980IT   M02   Not yet paid
11.08.1980LI   M02   Not yet paid
11.08.1980LU   M02   Not yet paid
11.08.1980SE   M02   Not yet paid
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.
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.