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International application No. Applicant's or agent's file reference
PCT/JP2018/034913 W108773
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
20 September 2018 26 September 2017
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.
6. Drawings
The figure of the drawings to be published with the abstract is Figure No.     2    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
none of the figures is to be published with the abstract.


     H02H 7/12 (2006.01)i; H02M 5/458 (2006.01)i; H02M 1/32 (2007.01)i; H05B 6/02 (2006.01)n; H02J 50/10 (2016.01)n
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
     H02H; H02M; H05B; H02J
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
EPO-Internal, WPI Data


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
EP 2566032 A1 (HITACHI AUTOMOTIVE SYSTEMS LTD [JP]) 06 March 2013 (2013-03-06)
figures 2, 5
paragraph [0023]
paragraph [0030] - paragraph [0032]
EP 3089343 A1 (MITSUBISHI ELECTRIC CORP [JP]) 02 November 2016 (2016-11-02)
figure 1
paragraph [0012]
paragraph [0019] - paragraph [0020]
paragraph [0026]
EP 1933449 A1 (FANUC LTD [JP]) 18 June 2008 (2008-06-18)
figure 1
paragraph [0018] - paragraph [0023]
paragraph [0004]
US 2010149844 A1 (YASUDA SATOSHI [JP] ET AL) 17 June 2010 (2010-06-17)
figure 1
JP H02269479 A (TOSHIBA CORP) 02 November 1990 (1990-11-02)
figure 1
US 2014210260 A1 (HIROSE KENTARO [JP]) 31 July 2014 (2014-07-31)
figure 1
paragraph [0026] - paragraph [0039]
DE 112012005937 T5 (TOYOTA MOTOR CO LTD [JP]) 24 December 2014 (2014-12-24)
figure 6
paragraph [0044]
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
earlier application or patent but published on or after the international filing date
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
document referring to an oral disclosure, use, exhibition or other means
document published prior to the international filing date but later than the priority date claimed
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
document member of the same patent family


Patent document cited in search report Publication date
Patent family member(s) Publication date
EP 2566032 A1
06 March 2013
CN 102859857 A
EP 2566032 A1
JP 5567381 B2
JP 2011234507 A
US 2013033914 A1
WO 2011136280 A1
02 January 2013
06 March 2013
06 August 2014
17 November 2011
07 February 2013
03 November 2011
EP 3089343 A1
02 November 2016
EP 3089343 A1
JP 5996130 B2
JP WO2015097868 A1
US 2016329824 A1
WO 2015097868 A1
02 November 2016
21 September 2016
23 March 2017
10 November 2016
02 July 2015
EP 1933449 A1
18 June 2008
CN 101227167 A
EP 1933449 A1
JP 2008136312 A
US 2008123225 A1
23 July 2008
18 June 2008
12 June 2008
29 May 2008
US 2010149844 A1
17 June 2010
JP 5464851 B2
JP 2010148181 A
US 2010149844 A1
09 April 2014
01 July 2010
17 June 2010
JP H02269479 A
02 November 1990
US 2014210260 A1
31 July 2014
CN 103973132 A
JP 5686145 B2
JP 2014147205 A
US 2014210260 A1
06 August 2014
18 March 2015
14 August 2014
31 July 2014
DE 112012005937 T5
24 December 2014
CN 104136262 A
DE 112012005937 T5
US 2015034406 A1
WO 2013125010 A1
05 November 2014
24 December 2014
05 February 2015
29 August 2013
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
14 December 2018
Date of mailing of the international search report:
21 December 2018
Authorized officer:
Madouroglou, E
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