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 information for Unitary Patents.

2024-03-06

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
FAQ - Register Alert
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP0752601

EP0752601 - OPTICAL FIBER AND ITS MANUFACTURE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  19.03.2004
Database last updated on 12.07.2024
Most recent event   Tooltip28.12.2007Lapse of the patent in a contracting state
New state(s): IT		published on 30.01.2008  [2008/05]
Applicant(s)For all designated states
KANAGAWA ACADEMY OF SCIENCE AND TECHNOLOGY
2-1, Sakado 3-chome, Takatsu-ku Kawasaki-shi
Kanagawa-ken 213 / JP
[N/P]
Former [1997/02]For all designated states
KANAGAWA ACADEMY OF SCIENCE AND TECHNOLOGY
2-1, Sakado 3-chome, Takatsu-ku
Kawasaki-shi, Kanagawa-ken 213 / JP
Inventor(s)01 / OHTSU, Motoichi
3-1-8-101, Yutakacho, Shinagawa-ku
Tokyo 142 / JP
02 / MONONOBE, Shuji
43744, Shimotsuruma
Yamato-shi, Kanagawa-ken 242 / JP
03 / RAJAGOPALAN, Uma Maheswari
971-6, Shimoyasumatsu
Tokorozawa-shi, Saitama-ken 359 / JP
[1997/02]
Representative(s)Körber, Wolfhart
Mitscherlich & Partner
Patentanwälte
Sonnenstrasse 33
80331 München / DE
[N/P]
Former [1997/02]Körber, Wolfhart, Dr. rer.nat.
Patentanwälte Mitscherlich & Partner, Sonnenstrasse 33
80331 München / DE
Application number, filing date94917156.503.06.1994
[1997/02]
WO1994JP00906
Priority number, dateJP1994005362624.03.1994         Original published format: JP 5362694
JP1994005569725.03.1994         Original published format: JP 5569794
[1997/02]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9525972
Date:28.09.1995
Language:EN
[1995/41]
Type: A1 Application with search report 
No.:EP0752601
Date:08.01.1997
Language:EN
The application published by WIPO in one of the EPO official languages on 28.09.1995 takes the place of the publication of the European patent application.
[1997/02]
Type: B1 Patent specification 
No.:EP0752601
Date:14.05.2003
Language:EN
[2003/20]
Search report(s)International search report - published on:JP28.09.1995
(Supplementary) European search report - dispatched on:EP23.04.1997
ClassificationIPC:G02B6/42
[1997/23]
CPC:
G02B6/4203 (EP,US); B82Y20/00 (US); B82Y35/00 (US);
G01Q60/22 (EP,US); G02B6/245 (EP,US); G02B6/241 (EP,US);
Y10S977/862 (EP,US); Y10S977/878 (EP,US) (-)
Former IPC [1997/02]G02B6/10
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [1997/02]
TitleGerman:OPTISCHE FASER UND IHRE HERSTELLUNG[1997/02]
English:OPTICAL FIBER AND ITS MANUFACTURE[1997/02]
French:FIBRE OPTIQUE ET SA PRODUCTION[1997/02]
Entry into regional phase24.09.1996Translation filed 
24.09.1996National basic fee paid 
24.09.1996Search fee paid 
24.09.1996Designation fee(s) paid 
24.09.1996Examination fee paid 
Examination procedure16.10.1995Request for preliminary examination filed
International Preliminary Examining Authority: JP
24.09.1996Examination requested  [1997/02]
22.09.2000Despatch of a communication from the examining division (Time limit: M06)
30.03.2001Reply to a communication from the examining division
14.11.2001Despatch of a communication from the examining division (Time limit: M06)
15.04.2002Reply to a communication from the examining division
11.06.2002Despatch of a communication from the examining division (Time limit: M02)
12.06.2002Reply to a communication from the examining division
22.07.2002Communication of intention to grant the patent
31.10.2002Fee for grant paid
31.10.2002Fee for publishing/printing paid
25.11.2002Despatch of a communication from the examining division (Time limit: M04)
25.02.2003Reply to a communication from the examining division
Opposition(s)17.02.2004No opposition filed within time limit [2004/19]
Fees paidRenewal fee
18.10.1996Renewal fee patent year 03
27.06.1997Renewal fee patent year 04
29.06.1998Renewal fee patent year 05
29.06.1999Renewal fee patent year 06
29.06.2000Renewal fee patent year 07
29.06.2001Renewal fee patent year 08
28.06.2002Renewal fee patent year 09
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.
Lapses during opposition  TooltipAT14.05.2003
BE14.05.2003
CH14.05.2003
IT14.05.2003
LI14.05.2003
NL14.05.2003
IE03.06.2003
LU03.06.2003
MC30.06.2003
DK14.08.2003
GR14.08.2003
PT14.08.2003
SE14.08.2003
ES25.08.2003
[2008/05]
Former [2005/02]AT14.05.2003
BE14.05.2003
CH14.05.2003
LI14.05.2003
NL14.05.2003
IE03.06.2003
LU03.06.2003
MC30.06.2003
DK14.08.2003
GR14.08.2003
PT14.08.2003
SE14.08.2003
ES25.08.2003
Former [2004/39]AT14.05.2003
BE14.05.2003
CH14.05.2003
LI14.05.2003
NL14.05.2003
IE03.06.2003
LU03.06.2003
DK14.08.2003
GR14.08.2003
PT14.08.2003
SE14.08.2003
ES25.08.2003
Former [2004/29]AT14.05.2003
BE14.05.2003
CH14.05.2003
LI14.05.2003
NL14.05.2003
IE03.06.2003
DK14.08.2003
GR14.08.2003
PT14.08.2003
SE14.08.2003
ES25.08.2003
Former [2004/28]AT14.05.2003
BE14.05.2003
CH14.05.2003
LI14.05.2003
NL14.05.2003
DK14.08.2003
GR14.08.2003
PT14.08.2003
SE14.08.2003
ES25.08.2003
Former [2004/23]AT14.05.2003
CH14.05.2003
LI14.05.2003
NL14.05.2003
DK14.08.2003
GR14.08.2003
PT14.08.2003
SE14.08.2003
ES25.08.2003
Former [2004/03]AT14.05.2003
CH14.05.2003
LI14.05.2003
NL14.05.2003
GR14.08.2003
PT14.08.2003
SE14.08.2003
ES25.08.2003
Former [2004/02]CH14.05.2003
LI14.05.2003
NL14.05.2003
GR14.08.2003
PT14.08.2003
SE14.08.2003
Former [2004/01]CH14.05.2003
LI14.05.2003
SE14.08.2003
Former [2003/50]SE14.08.2003
Documents cited:Search   [ ] - No further relevant documents disclosed
International search[X]JPS585410B  ;
 [A]JPS6063505  (DAINICHI NIPPON CABLES LTD);
 [A]JPS62103003U  ;
 [X]JPS62153806  (HITACHI TOKYO ELECTRONICS, et al);
 [X]JPS643607U
ExaminationUS4455751
 US4725727
 US5168538
 EP0545538
 US5288999
 US5318159
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.