- 2023/06 - 現在 山梨県国際交流協会 理事
- 2023 - 現在 ISMAR (IEEE International Symposium on Mixed and Augmented Reality) Program Committee
- 2017 - 現在 The Visual Computer Journal Editorial Board Associate Editor
- 2021/06/30 - 2022/06/29 山梨県国際交流協会 評議員
- 2021 - Cyberworlds 2021 Program Committee Memeber
- 2021 - Computer Graphics International 2021 Program Committee Member
- 2018/04/01 - 2020/03/31 芸術科学会 評議員
- 2017/04 - 2020/03 山梨県産業技術センター 外部評価委員会委員
- 2020 - Computer Graphics International 2020 Program Committee Member
- 2020 - Cyberworlds 2020 Program Committee Memeber
- 2020 - NICOGRAPH International 2020 Program Commitee Member
- 2019 - Computer Graphics International 2019 Program Committee Member
- 2019 - NICOGRAPH International 2019 Steering Commitee Member
- 2019 - CAD/CG 2019 Program Committee member
- 2019 - Cyberworlds 2019 Program Committee Member
- 2016 - 2018 芸術科学会 理事
- 2018 - IEEE Pacific Visualization Symposium 2018 Program Committee Member
- 2018 - IEEE Pacific Visualization Symposium 2018 Program Committee Member
- 2018 - Computer Graphics International 2018 Program Committee Member
- 2018 - Cyberworlds 2018 Program Committee Member
- 2018 - NICOGRAPH International 2018 Steering Commitee Member
- 2016/04/01 - 2017/07/01 Computer Graphics International 2017 Program Committee Chair
- 2016/10/01 - 2017/06/06 NICOGRAPH International 2017 NICOGRAPH International 2017 Steering Commitee
- 2017 - Computer Graphics International 2017 Program Committee Chair
- 2017 - NICOGRAPH International 2017 Steering Commitee Member
- 2017 - Cyberworlds 2017 Program Committee Memer
- 2017 - CAD/CG 2017 Program Committee member
- 2017 - The Visual Computer, Springer Computer Graphics International Special Issue Guest Editor
- 2016/04/01 - 2016/11/01 Cyberworlds 2016 Program Committee
- 2016 - NICOGRAPH International 2016 NICOGRAPH International Program Committee Chair
- 2016 - Cyberworlds 2016 Program Committee Memer
- 2015 - ACM SIGGRAPH Asia 2015 Technical Brief Program Committee Memeber
- 2015 - Cyberworlds 2015 Program Committee Memer
- 2015 - IEEE Pacific Visualization Symposium 2015 Program Committee Member
- 2014 - 電子情報通信学会論文誌D Cywberworld 特集号 Guest Editor-in-Chief
- 2014 - IEICE Transactions Special Section on Cywberworld Guest Editor-in-Chief
- 2014 - Cyberworlds 2014 Program Committee Memer
- 2013 - NICOGRAPH 2013 実行委員長
- 2013 - NICOGRAPH 2013 Conference Chair
- 2013 - ACM SIGGRAPH Asia 2013 Technical Brief Program Committee Memeber
- 2013 - Cyberworlds 2013 Program Committee Chair
- 2013 - IEEE Pacific Visualization Symposium 2013 Program Committee Member
- 2009/04 - 2011/03 画像電子学会 技術理事
- 2011 - IEEE Pacific Visualization Symposium 2011 Program Committee Member
- 2010 - IEEE Pacific Visualization Symposium 2010 Program Committee Member
- 2010 - IEEE Pacific Visualization Symposium 2010 Program Committee Member
- 2009 - Visual Computing Symposium 2009 Program Chair
- 2009 - Visual Computing / グラフィクスと CAD 合同シンポジウム 2009 プログラム委員長
- 2003/04 - 2007/03 情報処理学会グラフィックスとCAD研究会連絡委員 連絡委員
- 2003/06 - 画像電子学会ビジュアルコンピューティング研究委員会 委員
全件表示