K⌤

23. Prof. Eric Rivard (University of Alberta, Canada), "Phosphorescence and Parent Inorganic Hydride Chemistry in the Main Group", 8 October 2015

22. Prof. Yoshihiko Yamamoto (Nagoya University), "Development of Organometallic Catalysts and their Application to Organic Synthesis", 7 March 2014

21. Prof. David Scheschkewitz (Saarland University, Germany) , "The Chemistry of Si6R6 Isomers", 11 October 2012

20. Prof. Klaus Jurkschat (Technical University of Dortmund, Germany), "Intramolecular Donor-Acceptor Interactions in Main Group Element Compounds. From Academic Curiosity and Industrial Application", 9 December 2011

19. Prof. Josef Michl (University of Colorado, Boulder, USA), "Anions and Radicals Derived from the CB11 Cage", 2 September 2011

18. Dr. Gwenael Rapenne (Universite Paul Sabatier, CNRS), "Technomimetic Nanomachines: Molecular Nanovehicles and Rotary Motors", 12 January 2011

17. Dr. Tsuyoshi Kato (Universite Paul Sabatier, CNRS), "The Chemistry of New Ylides: Unsymmetrical Ylides and Silicon-analogs of Wittig Reagents", 5 August 2010

16. Prof. Ales Ruzicka (University of Pardubice, Czech), "Comparison of LCN [2-(dimethylaminomethyl)phenyl] and LNN' [2-(dimethylaminomethyl)anilinate] Chelated Tetrylenes", 26 July 2010

15. Prof. Alexey Timoshkin (St. Petersburg State University, Russia), "From Donor-Acceptor Complexes to Nanorods", 1 July, 2010

14. Prof. Robert West (University of Wisconsin, Madison, USA), "The discovery of multiply-bonded and divalent silicon compounds", 3 November, 2009

13. Prof. Renji Okazaki (The University of Tokyo, Japan Women's University), 19 June, 2009

12. Prof. Jean Escudie (Universite Paul Sabatier, France), "Doubly-bonded Derivatives of Group 14 and 15 Elements: Recent Advances", 4 November 2008

11. Dr. Yuka Kobayashi (Waseda University), "Quantum Chmistry for Organic Chemists", "Design of Organic Molecules based on Theoretical Calculation", 3 July 2008

10. Prof. Zhenfeng Xi (Peking University, China), "Cooperative Effect: Discovery and Development of Organo-bimetallic Reagents", 15 May, 2008

9. Dr. Ryuta Haga, "My Research Experience", 14 April, 2008

8. Prof. Peter Jutzi (University of Bielefeld, Germany), "p-Complex Chemistry of Low-Valent Silicon", 9 November, 2007

7. Dr. Vladimir Ya Lee (University of Tsukuba), "Recent Development in the Chemistry of Low-coordinate Group 14 Elements", June, 2007

6. Dr. Ryuta Haga (University of Wuertzburg, Germany), "Studies on Oligo- and Polysilanes Connected by Hexacoordinate Silicon Atoms", April, 2007

5. Dr. Masahiro Funahashi (National Institute of Advanced Industrial Science and Technology), "Electronic Conduction in Liquid Crystalline Semiconductors", November, 2006

4. Prof. Renji Okazaki (The University of Tokyo, Japan Women's University), October, 2006

3. Prof. Ken Tanaka (Tokyo University of Agriculture and Technology), "Rhodium-catalyzed Synthesis of Disulfides and Sulfides" and "Rhodium-catalyzed Chemo-, Regio-, and Enantioselective [2+2+2] Cycloaddition", June, 2006

2. Dr. Hiroki Iwanaga (Corporate Research & Development Center, Toshiba Corporation), "LED Flash with Novel Rare Earth Complexes", November, 2005

1. Prof. Robert West (University of Wisconsin, Madison, USA), "Aromatic Compounds of Silicon, Germanium and Tin", October, 2004