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Extract from the Register of European Patents

EP About this file: EP2479854

EP2479854 - Optical communication light source unit [Right-click to bookmark this link]
Former [2012/30]Optical communication light source unit and wavelength monitoring control method
[2013/13]
StatusNo opposition filed within time limit
Status updated on  25.07.2014
Database last updated on 14.09.2024
Most recent event   Tooltip25.07.2014No opposition filed within time limitpublished on 27.08.2014  [2014/35]
Applicant(s)For all designated states
Nippon Telegraph And Telephone Corporation
3-1 Otemachi 2-chome Chiyoda-ku
Tokyo 100-8116 / JP
[2012/30]
Inventor(s)01 / Kawai, Shingo
c/o NTT Intellectual Property Center
9-11 Midori-cho 3-Chome
Musashino-shi
Tokyo 180-8585 / JP
02 / Matsumoto, Kiyoshi
c/o NTT Intellectual Property Center
9-11 Midori-cho 3-Chome
Musashino-shi
Tokyo 180-8585 / JP
03 / Kawata, Hideo
c/o NTT Intellectual Property Center
9-11 Midori-cho 3-Chome
Musashino-shi
Tokyo 180-8585 / JP
04 / Yoshimoto, Naoto
c/o NTT Intellectual Property Center
9-11 Midori-cho 3-Chome
Musashino-shi
Tokyo 180-8585 / JP
05 / Iwatsuki, Katsumi
c/o NTT Intellectual Property Center
9-11 Midori-cho 3-Chome
Musashino-shi
Tokyo 180-8585 / JP
 [2012/30]
Representative(s)Prinz & Partner mbB
Patent- und Rechtsanwälte
Rundfunkplatz 2
80335 München / DE
[N/P]
Former [2012/30]Prinz & Partner
Patentanwälte Rundfunkplatz 2
80335 München / DE
Application number, filing date12002642.202.02.2006
[2012/30]
Priority number, dateJP2005007524516.03.2005         Original published format: JP 2005075245
JP2005023637517.08.2005         Original published format: JP 2005236375
[2012/30]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP2479854
Date:25.07.2012
Language:EN
[2012/30]
Type: A3 Search report 
No.:EP2479854
Date:19.09.2012
Language:EN
[2012/38]
Type: B1 Patent specification 
No.:EP2479854
Date:18.09.2013
Language:EN
[2013/38]
Search report(s)(Supplementary) European search report - dispatched on:EP17.08.2012
ClassificationIPC:H01S5/0687
[2013/13]
CPC:
H01S5/0687 (EP,US); H01S5/0683 (EP,KR,US); H01S5/0617 (EP,US);
H01S5/06804 (EP,US)
Former IPC [2012/30]H01S5/0683
Designated contracting statesDE,   FR,   GB,   IT [2012/30]
TitleGerman:Optische Kommunikationslichtquelleneinheit[2013/13]
English:Optical communication light source unit[2013/13]
French:Unité de source lumineuse de communication optique[2013/13]
Former [2012/30]Optische Kommunikationslichtquelleneinheit und Wellenlängenüberwachungssteuerverfahren
Former [2012/30]Optical communication light source unit and wavelength monitoring control method
Former [2012/30]Unité de source lumineuse de communication optique et procédé de contrôle de surveillance de longueur d'onde
Examination procedure10.01.2013Amendment by applicant (claims and/or description)
10.01.2013Examination requested  [2013/09]
16.04.2013Communication of intention to grant the patent
01.08.2013Fee for grant paid
01.08.2013Fee for publishing/printing paid
Parent application(s)   TooltipEP06712946.0  / EP1772932
EP09014056.7  / EP2146409
Opposition(s)19.06.2014No opposition filed within time limit [2014/35]
Fees paidRenewal fee
16.04.2012Renewal fee patent year 03
16.04.2012Renewal fee patent year 04
16.04.2012Renewal fee patent year 05
16.04.2012Renewal fee patent year 06
16.04.2012Renewal fee patent year 07
26.02.2013Renewal fee patent year 08
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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[A]JP2003224326  (NTT ELECTRONICS CORP) [A] 1-10 * abstract * * paragraphs [0064] , [0069] *;
 [A]EP1345296  (AGILENT TECHNOLOGIES INC [US]) [A] 1-10 * paragraphs [0039] , [0053] - [0055]; figure 1 *;
 [A]US2004028099  (HONGO KAZUHIRO [JP], et al) [A] 1-3,10 * abstract * * paragraphs [0012] - [0015] - [0035] - [0037] *;
 [A]US2004032889  (HIDAKA HIROTOSHI [JP], et al) [A] 1-3,10 * paragraphs [0006] - [0007] - [0023] - [0029]; figure 1 *;
 [A]US5982794  (TAMURA TOSHIMASA [JP]) [A] 1-3 * abstract * * column 2, line 57 - column 3, line 5 * * column 9, line 14 - column 10, line 6 *;
 [A]US6393041  (SATO KAZUYOSHI [JP]) [A] 1-3 * abstract * * column 4, line 61 - column 6, line 65 *;
 [A]US6590686  (SEKIYA MOTOYOSHI [JP], et al) [A] 1-3 * abstract * * column 1, lines 55-59 * * column 5, line 42 - column 6, line 19 *;
 [A]WO2004102754  (NIPPON TELEGRAPH & TELEPHONE [JP], et al) [A] 1-9 * abstract *;
 EP1624543  [ ] (NIPPON TELEGRAPH & TELEPHONE [JP]) [ ] * abstract * * paragraphs [0025] , [0026] , [0035] , [0049] - [0052] - [0057] - [0059] - [0065] *
by applicantJP2003224326
    - TAKAGI ET AL., 25 GHZ-SPACING INTERVAL WAVELENGTH MONITOR INTEGRATED DFB LASER MODULE, (2002), page 349
    - A. ZADOK, "Spectral shift and broadening of DFB lasers under direct modulation", IEEE PHOTON. TECHNOL. LETT., (1998), vol. 10, no. 12, pages 1709 - 1711
    - ITU-T RECOMMENDATION, (2001), vol. 1
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.