EP 3 800 006 A1 INTERNATIONAL SEARCH REPORT International application No. PCT/JP2019/039416 A. CLASSIFICATION OF SUBJECT MATTER Int. Cl. B24B9/10(2006.01)i, B24B41/053(2006.01)i B. FIELDS SEARCHED Minimum documentation searched (classification system followed by classification symbols) Int. Cl. B24B1/00-1/04, B24B9/00-19/28, B24B41/053 Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched Published examined utility model applications of Japan 1922-1996 Published unexamined utility model applications of Japan 1971-2019 Registered utility model specifications of Japan 1996-2019 Published registered utility model applications of Japan 1994-2019 Electronic data base consulted during the international search (name of data base and, where practicable, search terms used) C. DOCUMENTS CONSIDERED TO BE RELEVANT Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No. JP 2018-24072 A (ASAHI GLASS CO., LTD.) 15 February 2018, paragraphs [0042], [0043], [0049], [0057]-[0074], [0117], fig. 4-7 & CN 107363693 A & KR 10-2018-0018332 A JP 2012-187642 A (ASAHI GLASS CO., LTD.) 04 October 2012, paragraphs [0039], [0043], [0044], fig. 1, 3 & CN 102672571 A & KR 10-2012-0102549 A WO 2012/060158 Al (ASAHI GLASS CO., LTD.) 10 May 2012, paragraphs [0023], [0028]-[0030], [0075], fig. 2, 7 & CN 103201072 A & KR 10-2013-0139961 A IX Further documents are listed in the continuation of Box €. [| See patent family annex. Special categories of cited documents: “T” later document published after the international filing date or priority document defining the general state of the art which is not considered date and not in conflict with the application but cited to understand to be of particular relevance the principle or theory underlying the invention earlier application or patent but published on or after the international “X” document of particular relevance; the claimed invention cannot be filing date considered novel or cannot be considered to involve an inventive document which may throw doubts on priority claim(s) or which is step when the document is taken alone cited to establish the publication date of another citation or other wy  " ] document of particular relevance; the claimed invention cannot be special reason (as specified) considered to involve an inventive step when the document is document referring to an oral disclosure, use, exhibition or other means combined with one or more other such documents, such combination document published prior to the international filing date but later than being obvious to a person skilled in the art the priority date claimed document member of the same patent family Date of the actual completion of the international search Date of mailing of the international search report 10.12.2019 17.12.2019 Name and mailing address of the ISA/ Authorized officer Japan Patent Office 3-4-3, Kasumigaseki, Chiyoda-ku, Tokyo 100-8915, Japan Telephone No. Form PCT/ISA/210 (second sheet) (January 2015) 17 55 50 45 40 35 30 25 20 15 10 5