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EP1422540
European procedure
Extract from the Register of European Patents
EP About this file: EP1422540
| EP1422540 - Integrated optical waveguide [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 29.06.2007 Database last updated on 09.04.2026 | Most recent event Tooltip | 29.06.2007 | No opposition filed within time limit | published on 01.08.2007 [2007/31] | Applicant(s) | For all designated states NIPPON TELEGRAPH AND TELEPHONE CORPORATION 3-1, Otemachi 2-chome, Chiyoda-ku Tokyo 100-8116 / JP | [2006/34] |
| Former [2004/22] | For all designated states Nippon Telegraph and Telephone Corporation 3-1, Otemachi 2-chome, Chiyoda-ku Tokyo 100-8116 / JP | Inventor(s) | 01 /
Kamei, Shin NTT Intellectual Prop. Center 9-11,Midori-cho 3-ch Musashino-shi Tokyo 180-8585 / JP | 02 /
Inoue, Yasuyuki NTT Intellectual Prop. Center 9-11,Midori-cho 3-ch Musashino-shi Tokyo 180-8585 / JP | 03 /
Tanaka, Takuya NTT Intellectual Prop. Center 9-11,Midori-cho 3-ch Musashino-shi Tokyo 180-8585 / JP | 04 /
Hashimoto, Toshikazu NTT Intellectual Prop. Center 9-11,Midori-cho 3-ch Musashino-shi Tokyo 180-8585 / JP | [2004/22] | Representative(s) | TBK Bavariaring 4-6 80336 München / DE | [N/P] |
| Former [2005/34] | TBK-Patent Bavariaring 4-6 80336 München / DE | ||
| Former [2004/22] | Leson, Thomas Johannes Alois, Dipl.-Ing. Tiedtke-Bühling-Kinne & Partner GbR, TBK-Patent, Bavariaring 4 80336 München / DE | Application number, filing date | 03026386.7 | 18.11.2003 | [2004/22] | Priority number, date | JP20020335257 | 19.11.2002 Original published format: JP 2002335257 | [2004/22] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP1422540 | Date: | 26.05.2004 | Language: | EN | [2004/22] | Type: | A3 Search report | No.: | EP1422540 | Date: | 01.12.2004 | [2004/49] | Type: | B1 Patent specification | No.: | EP1422540 | Date: | 23.08.2006 | Language: | EN | [2006/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 18.10.2004 | Classification | IPC: | G02B6/12, G02B6/125, G02B6/293 | [2004/49] | CPC: |
G02B6/12011 (EP,US);
G02B6/12014 (EP,US);
G02B6/12023 (EP,US);
G02B6/12028 (EP,US);
G02B6/122 (EP,US);
G02B6/125 (EP,US);
G02B2006/12107 (EP,US);
G02B2006/12145 (EP,US);
G02B2006/12195 (EP,US);
G02B6/12016 (EP,US)
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| Former IPC [2004/22] | G02B6/12 | Designated contracting states | DE, FR, GB [2005/34] |
| Former [2004/22] | AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LI, LU, MC, NL, PT, RO, SE, SI, SK, TR | Title | German: | Integrierter optischer Wellenleiter | [2004/22] | English: | Integrated optical waveguide | [2004/22] | French: | Guide d'onde optique intégré | [2004/22] | Examination procedure | 18.11.2003 | Examination requested [2004/22] | 05.04.2005 | Despatch of a communication from the examining division (Time limit: M04) | 12.08.2005 | Reply to a communication from the examining division | 10.02.2006 | Date of oral proceedings | 01.03.2006 | Minutes of oral proceedings despatched | 06.03.2006 | Communication of intention to grant the patent | 07.07.2006 | Fee for grant paid | 07.07.2006 | Fee for publishing/printing paid | Opposition(s) | 24.05.2007 | No opposition filed within time limit [2007/31] | Fees paid | Renewal fee | 29.11.2005 | Renewal fee patent year 03 |
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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 | [XY] US5577141 (ADAR RENEN et al.) [X] 1,2 * column 1, line 61 - column 2, line 37 * * column 4, line 1 - column 5, line 35 * * figures 1,2 *[Y] 3-21,36-40 | [Y] US2002122623 (YONEDA SHIGERU et al.) [Y] 3-11,16-18,20,36-40 * paragraphs [0062] - [0067] * * figures 7,8 * | [YA] EP1118888 (NIPPON TELEGRAPH & TELEPHONE et al.) [Y] 12-15,19 * paragraph [0053] * * figure 6 *[A] 29-31 | [XA] CA2315458 (HITACHI CABLE et al.) [X] 1,22-33,35 * page 25, line 25 - page 32, line 24 * * figures 16,18,20,21 *[A] 34 | [A] GB2370128 (KYMATA LTD et al.) [A] 9-11 * page 12, lines 11-24 * * figure 11 * | [DA] US6320888 (TANAKA TAKUYA et al.) [DA] 9-11,20 * column 2, line 67 - column 3, line 21 * * figures 1,2,7,8 * | [Y] ARETZ K ET AL: "REDUCTION OF CROSSTALK AND LOSSES OF INTERSECTING WAVEGUIDE", ELECTRONICS LETTERS, IEE STEVENAGE, GB, vol. 25, no. 11, 25 May 1989 (1989-05-25), pages 730 - 731, XP000112786, ISSN: 0013-5194 [Y] 21,39 * abstract * |