| 2019.11.29-30 | 
Distinguished Lecture 
International Conference on Sustainable Environmental Engineering and Science (SEES-2019) 
Dr. Sudhir Chandra Sur Degree Engineering College, Kolkata, India
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J. Otsuki, “Molecular and Supramolecular Approach towards Light Energy Conversion”
  
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| 2019.9.17 | 
受賞 
Top Peer Reviewers 2019 (Chemistry), Publons 
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| 2019.9.17 | 
受賞 
Top Peer Reviewers 2019 (Cross-Field), Publons 
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| 2019.9.5 | 
受賞 
Solar Energy Journal Best Papers Award 2019, Elsevier 
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Solar Environmental, Photocatalytic, and New Areas: “Cobalt-doped nickel oxide nanoparticles as efficient hole transport materials for low-temperature processed perovskite solar cells,”
by Ryuji Kaneko, Towhid H. Chowdhury, Guohua Wu, Md. Emrul Kayesh, Said Kazaoui, Kosuke Sugawa, Jae-Joon Lee, Takeshi Noda, Ashraful Islam, and Joe Otsuki.
  
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| 2019.8.6-9 | 
Keynote Lecture 
International Congress in Pure & Applied Chemistry (ICPAC) Yangon 2019 Yangon, Myanmar.
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J. Otsuki, “Coordination-Directed Functional Supramolecular Assemblies”
  
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| 2019.7.27-29 | 
基調講演 
6th International Conference on Nanotechnology, Nanomaterials & Thin Films for Energy Applications Kuala Lumpur, Malaysia.
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| 2019.5.1-5 | 
招待講演 
15th International Conference of Computational Methods in Sciences and Engineering (ICCMSE 2019) Rhodes, Greece.
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J. Otsuki, “Coordination-directed self-assembly into functional supramolecules”
 
  
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| 2019.3.19 | 
招待セミナー 
Indian Institute of Chemical Technology, Hyderabad, India.
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J. Otsuki, “Photo/Electroactive Molecular and Supramolecular Materials and Devices”
 
  
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| 2019.3.18 | 
招待セミナー 
Calcutta University, Kolkata, India.
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J. Otsuki, “Supramolecular Approach towards Photo/Electro-Active Molecular Systems”
 
  
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| 2019.3.18 | 
招待セミナー 
Jadavpur University, Kolkata, India.
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J. Otsuki, “Supramolecular Approach towards Photo/Electro-Active Molecular Systems”
 
  
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| 2019.3.16-19 | 
学会発表 
日本化学会第99春季年会 (2019) 甲南大学岡本キャンパス,神戸.
- S. Kobori, Y. Hosoya, K. Sugawa, J. Otsuki, “Synthesis of related derivatives aimed at elucidating properties and usefulness of a copper metallacrown”
 
- T. Okumura, H. Nagai, Y. Kida, K. Sugawa, J. Otsuki “Synthesis and analysis of porphyrin derivatives for self-assembling macrorings”
 
- T. Ueda, K. Kengaku, J. Otsuki, K. Sugawa, “Synthesis and coordination supramolecules of perylene derivatives with pyridyl group”
 
 
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| 2019.3.15-16 | 
基調講演 
International Conference on Chemical Research in Materials and Biological Sciences (CRMBS-2019) Assam University, Silchar, Assam, India.
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J. Otsuki, "Molecular and Supramolecular Materials and Devices for Light Energy Conversion"
 
  
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