"Takahide Sato,Shigetaka Takagi","Theoretical analysis of efficiency of charge pump for white LED driver","2012 International Conference on Analog VLSI Circuits","Proceedings of 2012 International Conference on Analog VLSI Circuits",,,,,2012,Oct. "有賀祐太,Takahide Sato,Shigetaka Takagi","Extension of Input-and-output Voltage Range of Charge Pump Circuit for Energy Hervesting","2012 Annual Conference of Electronics, Information and Systems Society, I.E.E. of Japan","平成24年 電気学会 電子・情報・システム部門大会 講演論文集","電気学会電子・情報・システム部門大会委員会",,,"pp. 1787-1788",2012,Sept.