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Extract from the Register of European Patents

EP About this file: EP2309610

EP2309610 - Wavelength variable semiconductor laser element, apparatus and method for controlling the same [Right-click to bookmark this link]
Former [2011/15]Wavelenght variable semiconductor laser element, apparatus and method for controlling the same
[2013/44]
StatusNo opposition filed within time limit
Status updated on  13.03.2015
Database last updated on 18.01.2025
Most recent event   Tooltip13.10.2017Lapse of the patent in a contracting state
New state(s): BG, HU, TR		published on 15.11.2017  [2017/46]
Applicant(s)For all designated states
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
3-1, Otemachi 2-chome, Chiyoda-ku
Tokyo 100-8116 / JP
[2011/15]
Inventor(s)01 / Fujiwara, Naoki
c/o NTT Intellectual Property Center
9-11, Midori-cho, 3-chome
Musashino-shi
Tokyo 180-8585 / JP
02 / Ishii, Hiroyuki
c/o NTT Intellectual Property Center
9-11, Midori-cho, 3-chome
Musashino-shi
Tokyo 180-8585 / JP
03 / Oohashi Hiromi
c/o NTT Intellectual Property Center
9-11, Midori-cho, 3-chome
Musashino-shi
Tokyo 180-8585 / JP
04 / Okamoto, Hiroshi
c/o NTT Intellectual Property Center
9-11, Midori-cho, 3-chome
Musashino-shi
Tokyo 180-8585 / JP
 [2013/48]
Former [2011/15]01 / Fujiwara, Naoki
c/o NTT Intellectual Property Center 9-11, Midori-cho, 3chome
Musashino-shi Tokyo 180-8585 / JP
02 / Ishii, Hiroyuki
c/o NTT Intellectual Property Center 9-11, Midori-cho, 3-chome
Musashino-shi Tokyo 180-8585 / JP
03 / Oohashi Hiromi
c/o NTT Intellectual Property Center 9-11, Midori-cho, 3-chome
Musashino-shi Tokyo 180-8585 / JP
04 / Okamoto, Hiroshi
c/o NTT Intellectual Property Center 9-11, Midori-cho,3-chome
Musashino-shi Tokyo 180-8585 / JP
Representative(s)TBK
Bavariaring 4-6
80336 München / DE
[2014/19]
Former [2011/15]TBK-Patent
Bavariaring 4-6
80336 München / DE
Application number, filing date11151818.907.03.2008
[2011/15]
Priority number, dateJP2007005809008.03.2007         Original published format: JP 2007058090
[2011/15]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP2309610
Date:13.04.2011
Language:EN
[2011/15]
Type: A3 Search report 
No.:EP2309610
Date:10.08.2011
[2011/32]
Type: B1 Patent specification 
No.:EP2309610
Date:07.05.2014
Language:EN
[2014/19]
Search report(s)(Supplementary) European search report - dispatched on:EP07.07.2011
ClassificationIPC:H01S5/0625, B82Y20/00, H01S5/00, H01S5/024, H01S5/026, H01S5/042, H01S5/06, H01S5/068, H01S5/22, H01S5/343, H01S5/40
[2013/44]
CPC:
H01S5/06256 (EP,US); B82Y20/00 (EP,US); H01S5/024 (EP,US);
H01S5/22 (EP,US); H01S2301/173 (EP,US); H01S5/0014 (EP,US);
H01S5/02407 (EP,US); H01S5/02461 (EP,US); H01S5/0268 (EP,US);
H01S5/04256 (EP,US); H01S5/0612 (EP,US); H01S5/0617 (EP,US);
H01S5/06808 (EP,US); H01S5/2214 (EP,US); H01S5/34306 (EP,US);
H01S5/4087 (EP,US) (-)
Former IPC [2011/15]H01S5/062, H01S5/125, H01S5/024, H01S5/22, H01S5/042
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MT,   NL,   NO,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2011/15]
TitleGerman:Wellenlängenvariables Halbleiterlaserelement, Vorrichtung und Verfahren zu seiner Steuerung[2011/15]
English:Wavelength variable semiconductor laser element, apparatus and method for controlling the same[2013/44]
French:Elément laser semi-conducteur à longueur d'onde variable, appareil et son procédé de commande[2011/15]
Former [2011/15]Wavelenght variable semiconductor laser element, apparatus and method for controlling the same
Examination procedure08.02.2012Amendment by applicant (claims and/or description)
08.02.2012Examination requested  [2012/12]
30.07.2012Despatch of a communication from the examining division (Time limit: M04)
22.11.2012Reply to a communication from the examining division
08.01.2013Despatch of a communication from the examining division (Time limit: M04)
14.05.2013Reply to a communication from the examining division
23.10.2013Cancellation of oral proceeding that was planned for 25.11.2013
05.11.2013Communication of intention to grant the patent
25.11.2013Date of oral proceedings (cancelled)
10.03.2014Fee for grant paid
10.03.2014Fee for publishing/printing paid
Parent application(s)   TooltipEP08721629.7  / EP2120301
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued (EP20080721629) is  15.09.2010
Opposition(s)10.02.2015No opposition filed within time limit [2015/16]
Fees paidRenewal fee
24.01.2011Renewal fee patent year 03
30.03.2011Renewal fee patent year 04
30.03.2012Renewal fee patent year 05
27.03.2013Renewal fee patent year 06
28.03.2014Renewal 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.
Lapses during opposition  TooltipHU07.03.2008
AT07.05.2014
BE07.05.2014
BG07.05.2014
CY07.05.2014
CZ07.05.2014
DK07.05.2014
EE07.05.2014
ES07.05.2014
FI07.05.2014
HR07.05.2014
IT07.05.2014
LT07.05.2014
LV07.05.2014
MC07.05.2014
MT07.05.2014
NL07.05.2014
PL07.05.2014
RO07.05.2014
SE07.05.2014
SI07.05.2014
SK07.05.2014
TR07.05.2014
NO07.08.2014
GR08.08.2014
IS07.09.2014
PT08.09.2014
[2017/39]
Former [2017/03]AT07.05.2014
BE07.05.2014
CY07.05.2014
CZ07.05.2014
DK07.05.2014
EE07.05.2014
ES07.05.2014
FI07.05.2014
HR07.05.2014
IT07.05.2014
LT07.05.2014
LV07.05.2014
MC07.05.2014
MT07.05.2014
NL07.05.2014
PL07.05.2014
RO07.05.2014
SE07.05.2014
SI07.05.2014
SK07.05.2014
NO07.08.2014
GR08.08.2014
IS07.09.2014
PT08.09.2014
Former [2015/46]AT07.05.2014
BE07.05.2014
CY07.05.2014
CZ07.05.2014
DK07.05.2014
EE07.05.2014
ES07.05.2014
FI07.05.2014
HR07.05.2014
IT07.05.2014
LT07.05.2014
LV07.05.2014
MC07.05.2014
NL07.05.2014
PL07.05.2014
RO07.05.2014
SE07.05.2014
SI07.05.2014
SK07.05.2014
NO07.08.2014
GR08.08.2014
IS07.09.2014
PT08.09.2014
Former [2015/36]AT07.05.2014
BE07.05.2014
CY07.05.2014
CZ07.05.2014
DK07.05.2014
EE07.05.2014
ES07.05.2014
FI07.05.2014
HR07.05.2014
IT07.05.2014
LT07.05.2014
LV07.05.2014
NL07.05.2014
PL07.05.2014
RO07.05.2014
SE07.05.2014
SI07.05.2014
SK07.05.2014
NO07.08.2014
GR08.08.2014
IS07.09.2014
PT08.09.2014
Former [2015/22]AT07.05.2014
BE07.05.2014
CY07.05.2014
CZ07.05.2014
DK07.05.2014
EE07.05.2014
ES07.05.2014
FI07.05.2014
HR07.05.2014
IT07.05.2014
LT07.05.2014
LV07.05.2014
NL07.05.2014
PL07.05.2014
RO07.05.2014
SE07.05.2014
SK07.05.2014
NO07.08.2014
GR08.08.2014
IS07.09.2014
PT08.09.2014
Former [2015/12]AT07.05.2014
BE07.05.2014
CY07.05.2014
CZ07.05.2014
DK07.05.2014
EE07.05.2014
ES07.05.2014
FI07.05.2014
HR07.05.2014
LT07.05.2014
LV07.05.2014
NL07.05.2014
PL07.05.2014
RO07.05.2014
SE07.05.2014
SK07.05.2014
NO07.08.2014
GR08.08.2014
IS07.09.2014
PT08.09.2014
Former [2015/11]AT07.05.2014
BE07.05.2014
CY07.05.2014
CZ07.05.2014
DK07.05.2014
EE07.05.2014
ES07.05.2014
FI07.05.2014
HR07.05.2014
LT07.05.2014
LV07.05.2014
PL07.05.2014
RO07.05.2014
SE07.05.2014
SK07.05.2014
NO07.08.2014
GR08.08.2014
IS07.09.2014
PT08.09.2014
Former [2015/10]AT07.05.2014
BE07.05.2014
CY07.05.2014
CZ07.05.2014
DK07.05.2014
EE07.05.2014
ES07.05.2014
FI07.05.2014
HR07.05.2014
LT07.05.2014
LV07.05.2014
PL07.05.2014
SE07.05.2014
SK07.05.2014
NO07.08.2014
GR08.08.2014
IS07.09.2014
PT08.09.2014
Former [2015/08]AT07.05.2014
BE07.05.2014
CY07.05.2014
DK07.05.2014
ES07.05.2014
FI07.05.2014
HR07.05.2014
LT07.05.2014
LV07.05.2014
PL07.05.2014
SE07.05.2014
NO07.08.2014
GR08.08.2014
IS07.09.2014
PT08.09.2014
Former [2015/02]AT07.05.2014
CY07.05.2014
ES07.05.2014
FI07.05.2014
HR07.05.2014
LT07.05.2014
LV07.05.2014
PL07.05.2014
SE07.05.2014
NO07.08.2014
GR08.08.2014
IS07.09.2014
PT08.09.2014
Former [2014/51]AT07.05.2014
CY07.05.2014
ES07.05.2014
FI07.05.2014
HR07.05.2014
LT07.05.2014
LV07.05.2014
PL07.05.2014
SE07.05.2014
NO07.08.2014
GR08.08.2014
IS07.09.2014
Former [2014/50]CY07.05.2014
ES07.05.2014
FI07.05.2014
HR07.05.2014
LT07.05.2014
LV07.05.2014
PL07.05.2014
SE07.05.2014
NO07.08.2014
GR08.08.2014
IS07.09.2014
Former [2014/49]CY07.05.2014
FI07.05.2014
LT07.05.2014
NO07.08.2014
IS07.09.2014
Former [2014/48]CY07.05.2014
LT07.05.2014
Former [2014/47]CY07.05.2014
Documents cited:Search[A]JPH08236869  (NIPPON TELEGRAPH & TELEPHONE) [A] 1-3 * abstract * * paragraphs [0013] - [0015] - [0017] , [0018] , [0024] , [0027] *;
 [I]GB2372376  (MARCONI CASWELL LTD [GB], et al) [I] 1-3 * page 5 - page 6; figures 3-7 * * page 9, line 23 - page 10, line 2 * * page 10, lines 12-19 * * page 11, lines 18-21 *;
 [A]JP2005101039  (FURUKAWA ELECTRIC CO LTD) [A] 1-3 * abstract * * paragraph [0033] ** paragraphs [0037] - [0040]; figures 1,2 *
by applicantEP0872162
 JP3168855B
 JP3257185B
 EP2120301
    - TETSUHIKO IKEGAMI, Semiconductor Photonics, CORONA PUBLISHING, (19951010), pages 306 - 311
    - NUNZIO P. CAPONIO ET AL., "Analysis and Design Criteria of Three-section DBR Tunable Lasers", IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, (199008), vol. 8, no. 2, pages 1203 - 1213
    - OSAMU ISHIDA ET AL., "Fast and stable Frequency Switching Employing a Delayed Self-Duplex (DSD) Light Source", IEEE PHOTONICS TECHNOLOGY LETTERS, (199401), vol. 6, no. 1, pages 13 - 16
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.