Ideographic Research Group

(Effective Date: IRG#53)
Last Updated: 2024.07.18 HK time 9:00 

Breaking News:

IRG Website will be hosted by Unicode from July 1, 2024 for documents in  IRG #63 and all

future meetings. This site will still serve as an archive site until migration of previous files are completed.

The new IRG website is:





Google: IRG Site The Web

Yahoo: IRG Site The Web

Bing: IRG Site The Web


JTC1/SC2/WG2 - ISO/IEC 10646-UCS Website

IRG Principle and Procedures (Blank Submission Form, Summary Form for IRG Working Set SubmissionIRG WS2024 Submission Template,  IWDS update Flow Chart)

(Latest Version is Version 17 in IRGN2652,  confirmed at IRG#62)

IRG Meetings:

Meeting Document Range Location Date Resolutions, Actions

From IRG63, all IRG documents will be hosted by Unicode :

IRG Document Register (

62 IRGN2655- IRGN2681 Online meeting Hosted by Unicode 2024.03.18-2024.03.22 agenda, recommendations
61 IRGN2613-IRGN2654 Yale University 2023.10.16-2023.10.20 agenda, recommendations
60 IRGN2588 -IRGN2612 Online meeting Hosted by Unicode 2023.03.20-2023.03.24 agenda, recommendations
59 IRGN2557-IRGN2588 Online meeting Hosted by Unicode 2022.10.17-2022.10.21 agenda, recommendations
58 IRGN2521-IRGN2556 Online meeting Hostd by Unicode 2022.03.14-2022.03.14 agenda, recommendations
57 IRGN2492 - IRGN2520 Online meeting Hosted by Unicode 2021.09.13-2021.09.17 agenda, recommendations
56 IRGN2449-IRGN2491 Online meeting Hosted by Unicode 2021.03.15-2021.03.18 agenda, recommendations
55 Cancelled due to CoVID19 New Haven, CT, USA 2020.10.19-2020.10.23  
54 Cancelled due to CoVID19 California, USA    
53 IRGN2392-IRGN2448 Shenzhen, China 2019.10.21-2019.10.25 agenda, recommendations
52 IRGN2350-IRGN2391 Hong Kong 2019.05.14-2019.05.17 agenda, recommendations
51 IRGN2312-IRGN2349 Hanoi, Vietnam 2018.10.22-2018.10.26 agenda, recommendations
50 IRGN2276-IRGN2311 Beijing, China 2018.05.21-2018.05.25 agenda, recommendations
49 IRGN2241-IRGN2275 San Jose, USA 2017.10.16-2017.10.20 agenda, recommendations
48 IRGN2184-IRGN2240 Seoul, Korea 2017.06.19-2017.06.23 agenda, recommendations
47 IRGN2147-IRGN2183 Matsuyama, Japan 2016.10.18-2016.10.21 agenda, recommendations
46 IRGN2131-IRGN2156 Beijing, China 2016.05.23-2016.05.27 agenda, recommendations
45 (Archived*) IRGN2088-IRGN2133 Hong Kong SARG 2015.11.16-2015.11.20 agenda, recommendations
44 (Archived*) IRGN2056-IRGN2092 Seoul, Korea
Specially arranged meeting in Beijing, China
agenda, recommendations
43 (Archived*) IRGN2022-IRGN2055 San Jose, USA 2014.11.17-2014.11.21 agenda, recommendation
42 (Archived*) IRGN1981-IRGN2021 Qingdao, China 2014.05.19-2014.05.23 agenda, resolutions
41 (Archived*) IRGN1950-IRGN1980 Tokyo, Japan 2013.11.18-2013.11.22 agenda, resolutions
40 (Archived*) IRGN1923-IRGN1949 Hong Kong, China 2013.05.20-2013.05.24 agenda, resolutions
39 (Archived*) IRGN1880-IRGN1922 Hanoi, Vietnam 2012.11.12-2012.11.16 agenda, resolutions
38 (Archived*) IRGN1810-IRGN1879 Gyeongju, Korea 2012.06.18-2012.06.22 agenda, resolutions
37 (Archived*) IRGN1757-IRGN1844 Mountain View, California, USA 2011.11.07-2011.11.11 agenda, resolutions, schedule
36 (Archived*) IRGN1710-IRGN1798 Chongqing, China 2011.04.11-2011.04.15 agenda, resolutions, schedule
35 (Archived*) IRGN1673-IRGN1748 Macao, China 2010.11.08-2010.11.12 agenda, resolutions, schedule, minutes
34 (Archived*) IRGN1617-IRGN1710 Nagaoka, Japan 2010.06.21-2010.06.25 agenda, resolutions, schedule, minutes
33 (Archived*) IRGN1580-IRGN1664 Da Nang, Vietnam 2009.11.23-2009.11.27 agenda, resolutions, minutes
32 (Archived*) IRGN1483-IRGN1606 Hong Kong, China 2009.06.15-2009.06.19 agenda, resolutions, schedule, minutes
31 (Archived*) IRGN1450-IRGN1567 Kunming, China 2008.11.10-2008.11.14 agenda, resolutions, schedule, minutes
30 (Archived*) IRGN1401-IRGN1488 Busan, ROKorea 2008.06.09-2008.06.14 agenda, resolutions, minutes
29 (Archived*) IRGN1272-IRGN1403 San Jose, California 2007.11.12-2007.11.16 agenda, resolutions, minutes
28 (Archived*) IRGN1272-IRGN1341 Xian, Shaanxi, China 2007.06.04-2007.06.08 agenda, resolutions, minutes
27 (Archived*) IRGN1229-IRGN1279 Sanya, Hainan, China 2006.11.27-2006.12.01 agenda, resolutions, minutes(part1, part2, part3)
26 (Archived*) IRGN1185-IRGN1236 Hue, Vietnam 2006.06.09-2006.06.09 agenda, resolutions, schedule
25 (Archived*) IRGN1141-IRGN1184 Berkeley, USA 2005.11.28-2005.12.02 agenda, resolutions, schedule
24 (Archived*) IRGN1074-IRGN1140 Kyoto, Japan 2005.05.24-2005.05.27 agenda
23 (Archived*) IRGN1067-IRGN1106 Jeju, Republic of Korea 2004.11.29-2004.12.03 agenda, resolutions
22 (Archived*) IRGN1022-IRGN1065 Chengdu, Sichuan, China 2004.05.24-2004.05.28 agenda, resolutions
21 (Archived*) IRGN961-IRGN1027 Guilin, China 2003.11.17-2003.11.21 agenda, resolutions, minutes
20 (Archived*) IRGN919-IRGN958 Hanoi, Vietnam 2002.11.18-2002.11.22 agenda
19 (Archived*) IRGN887-IRGN927 Macao, China 2002.05.06-2002.05.10 agenda, resolutions
18 (Archived*) IRGN816-IRGN885 Tokyo, Japan 2001.12.03-2001.12.07 agenda
* Documents were archived to Google Drive.


Other Resources:

Other Historic Documents(No longer being updated):



IRG Convenor & Drafting Group Leader

Former IRG Rapporteurs

(IRG Rapporteur before June 2018)

Web Manager

Dr. Ken Lunde
Unicode Consortium


Prof. Qin Lu, Email:

Retired from The HK Polytechnic University, Hung Hom, HK

Mr. Zhang Zhoucai
CEO, UniHan, China

Phone: (8610) 6484 9484
Fax: (8610) 6484 9487

Mr. Lee Kin Hong
Associate Professor, CUHK