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Extract from the Register of European Patents

EP About this file: EP1248143

EP1248143 - Wavelength converter [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  15.02.2013
Database last updated on 31.08.2024
Most recent event   Tooltip15.02.2013Application deemed to be withdrawnpublished on 20.03.2013  [2013/12]
Applicant(s)For all designated states
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
3-1, Otemachi 2-chome, Chiyoda-ku
Tokyo 100-8116 / JP
[N/P]
Former [2002/41]For all designated states
Nippon Telegraph and Telephone Corporation
3-1, Otemachi 2-chome, Chiyoda-ku
Tokyo 100-8116 / JP
Inventor(s)01 / Fujiura, Kazuo
c/o NTT Int. Prop.Cent., 9-11, Midori-cho 3-chome
Musashino-shi, Tokyo 180-8585 / JP
02 / Yagi, Shogo
c/o NTT Int. Prop.Cent., 9-11, Midori-cho 3-chome
Musashino-shi, Tokyo 180-8585 / JP
03 / Imai, Tadayuki
c/o NTT Int. Prop.Cent., 9-11, Midori-cho 3-chome
Musashino-shi, Tokyo 180-8585 / JP
04 / Enbutsu, Kouji
c/o NTT Int. Prop.Cent., 9-11, Midori-cho 3-chome
Musashino-shi, Tokyo 180-8585 / JP
05 / Sasaura, Masahiro
c/o NTT Int. Prop.Cent., 9-11, Midori-cho 3-chome
Musashino-shi, Tokyo 180-8585 / JP
06 / Kurihara, Takashi
c/o NTT Int. Prop.Cent., 9-11, Midori-cho 3-chome
Musashino-shi, Tokyo 180-8585 / JP
07 / Abe, Makoto
c/o NTT Int. Prop.Cent., 9-11, Midori-cho 3-chome
Musashino-shi, Tokyo 180-8585 / JP
08 / Toyoda, Seiji
c/o NTT Int. Prop.Cent., 9-11, Midori-cho 3-chome
Musashino-shi, Tokyo 180-8585 / JP
09 / Kubota, Eishi
c/o NTT Int. Prop.Cent., 9-11, Midori-cho 3-chome
Musashino-shi, Tokyo 180-8585 / JP
 [2002/41]
Representative(s)TBK
Bavariaring 4-6
80336 München / DE
[N/P]
Former [2005/34]TBK-Patent
Bavariaring 4-6
80336 München / DE
Former [2002/41]Leson, Thomas Johannes Alois, Dipl.-Ing.
Tiedtke-Bühling-Kinne & Partner GbR, TBK-Patent, Bavariaring 4
80336 München / DE
Application number, filing date02007153.628.03.2002
[2002/41]
Priority number, dateJP2001010355202.04.2001         Original published format: JP 2001103552
JP2001010494303.04.2001         Original published format: JP 2001104943
[2002/41]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1248143
Date:09.10.2002
Language:EN
[2002/41]
Type: A3 Search report 
No.:EP1248143
Date:20.10.2004
[2004/43]
Search report(s)(Supplementary) European search report - dispatched on:EP02.09.2004
ClassificationIPC:G02F1/39, G02F1/335, G02F1/365, G02F1/35, G02F1/355
[2004/43]
CPC:
G02F1/3534 (EP,US); G02F1/3551 (EP,US); G02F1/3548 (EP,US)
Former IPC [2002/41]G02F1/39, G02F1/335, G02F1/365
Designated contracting statesDE,   FR,   GB,   IT [2005/28]
Former [2002/41]AT,  BE,  CH,  CY,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE,  TR 
TitleGerman:Wellenlängenkonverter[2002/41]
English:Wavelength converter[2002/41]
French:Dispositif de conversion de longueur d'onde[2002/41]
Examination procedure28.03.2002Examination requested  [2002/41]
25.08.2005Despatch of a communication from the examining division (Time limit: M04)
29.12.2005Reply to a communication from the examining division
02.01.2008Despatch of a communication from the examining division (Time limit: M04)
13.05.2008Reply to a communication from the examining division
22.10.2010Despatch of a communication from the examining division (Time limit: M04)
01.03.2011Reply to a communication from the examining division
02.10.2012Application deemed to be withdrawn, date of legal effect  [2013/12]
05.11.2012Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [2013/12]
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 is  25.08.2005
Fees paidRenewal fee
31.03.2004Renewal fee patent year 03
30.03.2005Renewal fee patent year 04
30.03.2006Renewal fee patent year 05
29.03.2007Renewal fee patent year 06
31.03.2008Renewal fee patent year 07
31.03.2009Renewal fee patent year 08
31.03.2010Renewal fee patent year 09
30.03.2011Renewal fee patent year 10
Penalty fee
Additional fee for renewal fee
31.03.201211   M06   Not yet paid
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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[Y]US5317666  (AGOSTINELLI JOHN A [US], et al) [Y] 2-6,9-12,14-17,19,20,22,27-31,33-35,37,38,40 * column 2, line 31 - column 3, line 33 * * column 4, line 23 - column 8, line 56; figures 1-9; claim 31 *;
 [XY]US5912910  (SANDERS STEVEN [US], et al) [X] 1,24 * column 3, line 38 - column 4, line 17 * * column 6, line 27 - column 9, line 36 * * column 11, line 4 - column 14, line 61; figures 1,2,9-14 * [Y] 2-6,9-12,14-17,19,20,22,27-31,33-35,37,38,40;
 [A]US6163397  (ONOE ATSUSHI [JP], et al) [A] 1-42 * column 1, line 8 - line 61; figures 2,8; claims 1-8 *;
 [A]  - LU YAN-QING ET AL, "Frequency tuning of optical parametric generator in periodically poled optical superlattice LiNbO3 by electro-optic effect", APPLIED PHYSICS LETTERS, AMERICAN INSTITUTE OF PHYSICS. NEW YORK, US, (19990104), vol. 74, no. 1, ISSN 0003-6951, pages 123 - 125, XP012022091 [A] 1-42 * the whole document *

DOI:   http://dx.doi.org/10.1063/1.122971
 [A]  - YAMADA M ET AL, "FIRST-ORDER QUASI-PHASE MATCHED LINBO3 WAVEGUIDE PERIODICALLY POLED BY APPLYING AN EXTERNAL FIELD FOR EFFICIENT BLUE SECOND-HARMONIC GENERATION", APPLIED PHYSICS LETTERS, AMERICAN INSTITUTE OF PHYSICS. NEW YORK, US, (19930201), vol. 62, no. 5, ISSN 0003-6951, pages 435 - 436, XP000335955 [A] 1-42 * the whole document *

DOI:   http://dx.doi.org/10.1063/1.108925
 [A]  - CHOU M H ET AL, "MULTIPLE-CHANNEL WAVELENGTH CONVERSION BY USE OF ENGINEERED QUASI-PHASE-MATCHING STRUCTURES IN LINBO3 WAVEGUIDES", OPTICS LETTERS, OPTICAL SOCIETY OF AMERICA, WASHINGTON, US, (19990815), vol. 24, no. 16, ISSN 0146-9592, pages 1157 - 1159, XP000859254 [A] 1-42 * the whole document *
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