PATENTSCOPE will be unavailable a few hours for maintenance reason on Monday 03.02.2020 at 10:00 AM CET
Search International and National Patent Collections
Some content of this application is unavailable at the moment.
If this situation persists, please contact us atFeedback&Contact

Disclaimer The image version (PDF) available on PATENTSCOPE is the official version. This online html version is provided to assist users. Despite the great care taken in its compilation to ensure a precise and accurate representation of the data appearing on the printed document/images, errors and/or omissions cannot be excluded due to the data transmittal, conversion and inherent limitations of the (optional) machine translation processes used. Hyperlinks followed by this symbol , are to external resources that are not controlled by WIPO. WIPO disclaims all liability regarding the above points.

Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
International application No. Applicant's or agent's file reference
PCT/US2016/063888 42P84360PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
28 November 2016 26 December 2015
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.     3    
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.


     G06F 9/30 (2006.01)i; G06F 12/0802 (2016.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Korean utility models and applications for utility modelsJapanese utility models and applications for utility models
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & Keywords: loop-invariant, instruction, detection, elimination, bit, code, entry, register alias table, first N iterations


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2014-0189331 A1 (MARIA LIPSHITS et al.) 03 July 2014 See paragraph [0023]; and claim 1.
US 2013-0283014 A1 (CHENG WANG et al.) 24 October 2013 See paragraphs [0034]-[0090]; and figures 1-15.
US 2014-0189306 A1 (MATTHEW C. MERTEN et al.) 03 July 2014 See paragraphs [0020]-[0049]; and figures 1A-5.
US 2008-0195851 A1 (JAN HOOGERBRUGGE) 14 August 2008 See paragraphs [0014]-[0026]; and figure 1.
US 2007-0226700 A1 (ANDREAS IMRE GAL et al.) 27 September 2007 See paragraphs [0027]-[0081]; and figures 1A-8.
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
US 2014-0189331 A1
03 July 2014
US 9459871 B2
04 October 2016
US 2013-0283014 A1
24 October 2013
CN 103827816 B
CN 103827816 A
EP 2761433 A4
EP 2761433 A1
US 9152417 B2
WO 2013-048379 A1
09 November 2016
28 May 2014
01 April 2015
06 August 2014
06 October 2015
04 April 2013
US 2014-0189306 A1
03 July 2014
US 9354875 B2
31 May 2016
US 2008-0195851 A1
14 August 2008
CN 101151590 A
CN 100520714 C
EP 1844393 A2
JP 2008-529119 A
US 8539211 B2
WO 2006-079940 A2
WO 2006-079940 A3
26 March 2008
29 July 2009
17 October 2007
31 July 2008
17 September 2013
03 August 2006
16 November 2006
US 2007-0226700 A1
27 September 2007
US 8769511 B2
WO 2007-095642 A2
WO 2007-095642 A3
01 July 2014
23 August 2007
13 November 2008
Name and mailing address of the ISA/:
Korean Intellectual Property Office
189 Cheongsa-ro, Seo-gu, Daejeon Metropolitan City, 302-701
Republic of Korea
Facsimile No. +82-42-481-8578
Date of the actual completion of the international search:
03 March 2017
Date of mailing of the international search report:
07 March 2017
Authorized officer:
CHIN, Sang Bum
Telephone No. +82-42-481-8398
Top    Part 1: 1 2 3 4 5 6         Part 2: A B C D E