@article{CTT100941216,
  author = {Reyhan Ramadhan and Masato Saito and Yasufumi Yokoshiki and Takashi Tokuda},
  title = {Wide-operating-point DC-DC converter for sub-microwatt photovoltaic power conversion in biomedical implants},
  journal = {IEICE Electronics Express},
  year = 2025,
}

@inproceedings{CTT100941998,
  author = {Reyhan Ramadhan and Masato Saito and Takashi Tokuda},
  title = {Cross-coupled Voltage Doubler with Improved Subthreshold Performance},
  booktitle = {},
  year = 2025,
}

@inproceedings{CTT100895158,
  author = {Reyhan Ramadhan and Kosuke Takamatsu and Yasufumi Yokoshiki and Takashi Tokuda},
  title = {Functional Circuit Design and Measurement for Optical Power Transfer-based Biomedical and Internet-of-Things Devices},
  booktitle = {},
  year = 2022,
}

@inproceedings{CTT100874402,
  author = {Reyhan Ramadhan and Kosuke Takamatsu and Yasufumi Yokoshiki and Takashi Tokuda},
  title = {Digital-based Design of Optical Power Transfer-based Biomedical and Internet-of-Things Devices},
  booktitle = {},
  year = 2022,
}

@inproceedings{CTT100874410,
  author = {Reyhan Ramadhan and Yasufumi Yokoshiki and Takashi Tokuda},
  title = {Functional Improvements of Optically-powered ID Transmission Node for Internet-of-Things Devices},
  booktitle = {},
  year = 2021,
}