@inproceedings{CTT100645808,
  author = {Takahide Sato and Shigetaka Takagi},
  title = {Theoretical analysis of efficiency of charge pump for white LED driver},
  booktitle = {Proceedings of 2012 International Conference on Analog VLSI Circuits},
  year = 2012,
}

@inproceedings{CTT100644715,
  author = {有賀祐太 and Takahide Sato and Shigetaka Takagi},
  title = {Extension of Input-and-output Voltage Range of Charge Pump Circuit for Energy Hervesting},
  booktitle = {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},
  year = 2012,
}