・Synthes is and function of supramolecular structures: molecular tubes, capsules, photo-swichable chiral hosts.<br />・Construction of bi-stable molecular aggregates via cooperative hydrogen bonding: Exploration of their nonlinear phenomena.<br />・Organic synthesis via photochemical reactions.<br />・Synthesis and properties of new cyclophanes and their application to molecular wires.<br />・Synthesis, structure, and function of thermo-responsive triblock polymers.