* (2017) “The Cosmopolitan Japanese Garden, Design and Ideas" (Key note abstract) International Symposium II “The Cosmopolitan Japanese Garden” The Research Center for Japanese Garden Art and Historical Heritage, Kyoto University of Art and Design, 10/8, 2017

* (2017) “Landscape System as a Sustainable and Inclusive Strategy to Urban Management and Development" (Poster presentation) Dresden Nexus Conference: Sustainable Development Goals & NEXUS APPROACH DNC 2017, May 18, Deutsches Hygiene-Museum

* (2017) “From Wasteland to a Global Brand: the Success Story of Beemster’s Landscape Planning in the Netherlands" (abstract) Proceedings Korea Planners Association National Spring Conference, 대한국토·도시계획학회 2017춘계산학학술대회, Korea Planners Association, International Experts’ Session, 3, 3-4

* (2016) “Expo Landscape, where are we going?" (Key adress paper) Proceedings of the International Symposium “Expo Landscape” November 4-5, 2016, Seoul National University, Graduate School of Environmental Studies, 3-7

* (2016) “Borrowing scenery in China and Japan, theory and practice in seventeenth century garden art" abstract in Proceedings of the 34th Congress of CIHA, Beijing, September 15-22, 2016, Session 12: Garden and Courtyard

* (2016) “Topography and History: Continuity and Change in Tokyo’s Urban Open Space", The Inaugural IAFOR International Conference on Japan & Japan Studies 2016, The International Academic Forum, Kobe, Online abstract

* (2016) “The Taste of Water: Landscape Design in Japan" Simone Gismondi (ed.) Tasting the Landscape; 53rd IFLA World Congress, pp.416-417 ISBN: 978-88-7970-781-7

* (2016) “Landscape thought and the Japanese Garden" (Key note abstract) The Japanese Garden Intensive Seminar Plus First International Symposium in Kyoto 第一回国際シンポジウム「ランドスケープの思想と日本庭園」日本庭園・歴史遺産研究センター日本庭園部門紀要 2014, 72-73

* (2015) “Topography and history: patterns in Tokyo’s green infrastructure" (Plenary Session abstract) Proceedings of the 4th World Conference on Applied Sciences, Engineering and Technology WCSET 2015, 24 October 2015, Kumamoto University, Japan  ISBN 978-81-930222-1-4

* (2015) “Context & Praxis: Thoughts on Japan & Gardens" (Abstract) International Symposium Asian Gardens in the West, 1-3 October 2015, Benrath Palace and Park Foundation, and Heinrich Heine University Dusseldorf, Germany

* (2014) “Tradition, Experience, and Ecology; Urban Forestry for Tokyo’s Meiji Shrine" (Abstract) Proceedings of the 4th international conference of Urban Biodiversity and Design (URBIO 2014), Cities and Water: Conservation, Restoration and Biodiversity 2014. 10.09, p.217

* (2014) “Soil-Landscape as a Tool in Planning and Management of the City" (Abstract) Proceedings of the 20th World Congress of Soil Science, Soils Embrace Life and Universe, June, 2014, p.552

* (2014) “Tokyo’s green infrastructure, the value of historic patterns" (Abstract) Proceedings Korea Planners Association National Spring Conference, International Session, 대한국토·도시계획학회 2014춘계산학학술대회, Korea Planners Association, p.273-274

* (2013) “The Urban Landscape System as Tool to Resilience and Identity" (Abstract) Proceeding Korea Planners Association National Fall Conference, 대한국토·도시계획학회 2013 추계학술대회, Korea Planners Association, p.245

* (2013) “Exchange of Landscape Ideas Between Japan and Europe in the 17th Century: on the History of Interculturality" (Conference paper) C. Newman, Y. Nussaume & B. Pedroli (Eds) Landscape & Imagination: towards a new baseline for education in a changing world. UNISCAPE, Florence / Bandecchi & Vivaldi, Pontedera. pp.161-164 ISBN: 978-88-8341-548-7

* (2011) “Raising aesthetics on ethics: Urban landscape systems are a challenging field" (Abstract) ECLAS European Council of Landscape Architecture Schools, Ethics/Aesthetics, Sheffield University, September 8, 2011, pp.237-238

* (2011) “Urban Landscape Systems – Analyzing the Soil of Berlin and of Seoul" (Abstract) The 8th IALE World Congress of the International Association for Landscape Ecology, Landscape ecology for sustainable environment and culture, Proceedings, p.269, Beijing, China, August 18-23, 2011

* (2010) “The Satoyama Treasure Box: another meaning of Japanese Cherries" (Abstract) The International Forestry Review 12, 5: 449

* (2010) “Soul and Soil of Seoul, about landscape as a tool to identity and sustainability" (Conference paper) Harmony and Prosperity – Traditional Inheritance and Sustainable Development, International Federation of Landscape Architects, 47th IFLA World Congress Proceedings CD-ROM, Suzhou China, May 28-31 2010

* (2010) “Landscape-: Architecture, Identity and Sustainability in Seoul" (Abstract) Urban Biodiversity & Design, URBIO2010, Convention on Biological Diversity, COP10, Aichi-Nagoya, Proceedings

* (2006) “Borrowing the Landscape, Theory in China’s Yuanye (1634) and Practice in Japanese garden art of the seventeenth century" (Conference paper) International Conference on the Classical Garden of China: Tradition and Radiation, 中国古典园林国际研究讨会,主题:传统与传播,研讨会论文: 中国建筑学会建筑史学分会,山东省潍坊市人民政府 China Architecture Association Architecture History Council (Weifang China): 17-23

* (2005) “Political Change and Cultural Values of Plants: Origins of Cherry Hybridization in Medieval Japan" (abstract correction) The Plant Press (Department of Botany & the U.S. National Herbarium, Smithsonian National Museum of Natural History, Washington DC.) 8, 1: 7

* (2004) “Continuity in Landscape – West and East" (Conference paper) Gardens and their environmental context: final report of the international conference,16-19 January 2004, Nara, Japan, Cultural Heritage Office for UNESCO (Nara): 67-72 BCIN: 234455

* (1997) 「庭園管理の本質、東西の比較を少しい述べた話」 (Conference paper, in Japanese: The essence of garden maintenance, with a comparison of East and West) 『庭園学講座 IV』Symposium 京都造形芸術大学: 11-15

* (1995) “Garden Design and Gardening Work, The making of an old vegetable garden in Holland" (Abstract) Proceedings of Annual Japan Landscape Architects Congress, Kansai shibu: 31-32

* (1986) “Five Garden Paintings in the Von Siebold Collection" (Abstract) Proceedings of Annual Japan Landscape Architects Congress, Kansai shibu: 24‑25