Extract from the Register of European Patents

EP About this file: EP3135475

EP3135475 - COMPOSITE MATERIAL STRUCTURE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  24.12.2021
Database last updated on 08.04.2026
FormerThe patent has been granted
Status updated on  15.01.2021
FormerGrant of patent is intended
Status updated on  03.08.2020
FormerRequest for examination was made
Status updated on  30.12.2016
FormerThe international publication has been made
Status updated on  01.11.2016
Most recent event   Tooltip19.12.2025Lapse of the patent in a contracting state
New state(s): TR
published on 21.01.2026  [2026/04]
Applicant(s)For all designated states
Mitsubishi Heavy Industries, Ltd.
16-5 Konan 2-chome
Minato-ku
Tokyo 108-8215 / JP
[2017/05]
Inventor(s)01 / SUGIYAMA, Takushi
c/o MITSUBISHI HEAVY INDUSTRIES, LTD.
16-5 Konan 2-chome
Minato-ku
Tokyo 108-8215 / JP
02 / SHIMIZU, Takayuki
c/o MITSUBISHI HEAVY INDUSTRIES, LTD.
16-5 Konan 2-chome
Minato-ku
Tokyo 108-8215 / JP
03 / ABE, Toshio
c/o MITSUBISHI HEAVY INDUSTRIES, LTD.
16-5 Konan 2-chome
Minato-ku
Tokyo 108-8215 / JP
 [2021/07]
Former [2017/05]01 / SUGIYAMA, Takushi
c/o MITSUBISHI HEAVY INDUSTRIES LTD.
16-5 Konan 2-chome
Minato-ku
Tokyo 108-8215 / JP
02 / SHIMIZU, Takayuki
c/o MITSUBISHI HEAVY INDUSTRIES LTD.
16-5 Konan 2-chome
Minato-ku
Tokyo 108-8215 / JP
03 / ABE, Toshio
c/o MITSUBISHI HEAVY INDUSTRIES LTD.
16-5 Konan 2-chome
Minato-ku
Tokyo 108-8215 / JP
Representative(s)Henkel & Partner mbB
Patentanwaltskanzlei, Rechtsanwaltskanzlei
Maximiliansplatz 21
80333 München / DE
[2021/07]
Former [2017/05]Henkel, Breuer & Partner
Patentanwälte
Maximiliansplatz 21
80333 München / DE
Application number, filing date15803406.620.05.2015
[2017/05]
WO2015JP64522
Priority number, dateJP2014011604104.06.2014         Original published format: JP 2014116041
[2017/05]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2015186526
Date:10.12.2015
Language:JA
[2015/49]
Type: A1 Application with search report 
No.:EP3135475
Date:01.03.2017
Language:EN
[2017/09]
Type: B1 Patent specification 
No.:EP3135475
Date:17.02.2021
Language:EN
[2021/07]
Search report(s)International search report - published on:JP10.12.2015
(Supplementary) European search report - dispatched on:EP02.01.2017
ClassificationIPC:B32B5/28, B32B3/14, B32B3/28, B64D29/00, F01D25/24, F02C7/00, H05K7/20
[2017/05]
CPC:
F01D25/26 (EP); B32B3/28 (EP,US); B32B1/08 (EP);
B32B3/14 (US); B32B5/02 (EP); B32B5/26 (EP);
B32B5/28 (US); B64D29/00 (EP,US); F01D25/24 (US);
F02C7/00 (US); F02C7/24 (EP); F28F21/02 (US);
H05K7/20 (US); B32B2250/20 (EP); B32B2260/023 (EP);
B32B2260/046 (EP); B32B2262/106 (EP,US); B32B2307/302 (EP);
B32B2307/536 (EP); B32B2605/18 (EP); B82Y30/00 (US);
F05D2240/15 (EP); F05D2250/61 (EP); F05D2300/603 (EP);
F05D2300/6034 (EP); Y10T428/30 (US) (-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2017/05]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
TitleGerman:VERBUNDSTOFFSTRUKTUR[2017/05]
English:COMPOSITE MATERIAL STRUCTURE[2017/05]
French:STRUCTURE EN MATÉRIAU COMPOSITE[2017/05]
Entry into regional phase28.10.2016Translation filed 
28.10.2016National basic fee paid 
28.10.2016Search fee paid 
28.10.2016Designation fee(s) paid 
28.10.2016Examination fee paid 
Examination procedure28.10.2016Examination requested  [2017/05]
28.10.2016Date on which the examining division has become responsible
09.06.2017Amendment by applicant (claims and/or description)
04.08.2020Communication of intention to grant the patent
09.10.2020Fee for grant paid
09.10.2020Fee for publishing/printing paid
09.10.2020Receipt of the translation of the claim(s)
Opposition(s)18.11.2021No opposition filed within time limit [2022/04]
Fees paidRenewal fee
31.05.2017Renewal fee patent year 03
18.05.2018Renewal fee patent year 04
14.05.2019Renewal fee patent year 05
28.05.2020Renewal fee patent year 06
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Lapses during opposition  TooltipHU20.05.2015
AL17.02.2021
AT17.02.2021
CY17.02.2021
CZ17.02.2021
DK17.02.2021
EE17.02.2021
ES17.02.2021
FI17.02.2021
HR17.02.2021
IT17.02.2021
LT17.02.2021
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MC17.02.2021
MK17.02.2021
MT17.02.2021
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PL17.02.2021
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IE20.05.2021
LU20.05.2021
BE31.05.2021
CH31.05.2021
LI31.05.2021
IS17.06.2021
PT17.06.2021
[2026/04]
Former [2024/41]HU20.05.2015
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IE20.05.2021
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Documents cited:Search[X] JP2004019990  (MITSUBISHI ELECTRIC CORP et al.) [X] 1 * EPODOC abstract - "composite material" ; "the upper face (24) of the heat conductive member (15) is joined to an upper skin (16), and a side face (25) of the heat conductive member (15) is joined to the side face.." ; "carbon reinforced resin" ; carbon fiber reinforced carbon" * * figure - * * WPI abstract - "12 : heat generation apparatus" *
 [A] US2003170440  (AOYAGI KENICHI et al.) [A] 1-9 * Abstract - "PAN type carbon fiber" ; "pitch type carbon fiber" * * paragraph [0018] - paragraph [0019] * * figures 1, 2, 3, 4, 5 * * example - * * claims 1-13 *
 [A] JPH08207180  (SHOWA AIRCRAFT IND et al.) [A] 1-9 * EPODOC abstract - "pitch base carbon fibers" ; "PAN base carbon fibers" ; "heat conductivity" * * figure 1 * * figure 2 * * WPI abstract *
International search[A] JP2000150946  (NEC CORP et al.) [A] 1-9 * , claims; paragraphs [0011] to [0012], [0019] to [0025]; fig. 1 (Family: none) *
 [A] JPH08207180  (SHOWA AIRCRAFT IND et al.) [A] 1-9 * , claims; paragraphs [0006] to [0007], [0018]; fig. 1 (Family: none) *
 [A] JP2012112264  (MITSUBISHI PLASTICS INC et al.) [A] 1-9 * , claims; paragraphs [0028] to [0031]; fig. 4 & EP 2455609 A2 *
 [A] JPH09500840   [A] 1-9 * , claims; fig. 1 to 11 & US 5466507 A & WO 1995/010411 A1 & AU 7969594 A & LU 88739 A & RU 2118933 C *
 [A] JP2001168248  (TOYODA AUTOMATIC LOOM WORKS et al.) [A] 1-9 * , claims; fig. 1 (Family: none) *
 [A] JP2011003904  (GENERAL ELECTRIC CO GE et al.) [A] 1-9 * , claim 1; paragraphs [0012] to [0015] & US 2010/0321891 A1 & GB 2471186 A & DE 102010017437 A & CA 2706208 A *
 [A] JP2001214702  (GEN ELECTRIC et al.) [A] 1-9 * , claims 1 to 5; fig. 1 to 2 & US 6399217 B1 & EP 1111323 A2 & DE 60045274 D & SG 97994 A & BR 5933 A & IL 140186 A & CA 2327875 A & AT 489598 T & MX PA00012569 A & MY 129511 A *
 [A] JP2002194232  (SEKISUI CHEMICAL CO LTD et al.) [A] 1-9 * , claims; paragraphs [0061] to [0064]; fig. 1 to 8 (Family: none) *
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.