@article{CTT100626068, author = {Ryota Seto and Takahiro Kojima and Katsumoto Hosokawa and Yasuhito Koyama and Gen-ichi Konishi and Toshikazu Takata}, title = {Synthesis and Property of 9,9-Spirobifluorene-containing Aromatic Polyesters as Optical Polymers with High Refractive Index and Low Birefringence}, journal = {Polymer}, year = 2010, } @article{CTT100608738, author = {Ryota Seto and takashi sato and takahiro kojima and katsumoto hosokawa and Yasuhito Koyama and Gen-ichi Konishi and Toshikazu Takata}, title = {9,9’-Spirobifluorene-Containing Polycarbonates: Transparent Polymers with High Refractive Index and Low Birefringence}, journal = {Journal of Polymer Science Part A: Polymer Chemistry}, year = 2010, } @article{CTT100476789, author = {takahiro kojima}, title = {{(eta5-C5Me5)Fe}2(myu-H)2(myu-eta2:eta2-H2SitBu2), a Versatile Precursor for Bimetallic Active Species}, journal = {Organometallics}, year = 2001, }