@article{CTT100620747,
  author = {Koji Kotani and Atsuo Sugimoto and Yutaka Omiya and Takashi Ito},
  title = {Above-Complementary Metal–Oxide–Semiconductor Metal Pattern Technique for Postfabrication Tuning of On-Chip Inductor Characteristics},
  journal = {Japanese Journal of Applied Physics},
  year = 2011,
}

@inproceedings{CTT100613428,
  author = {Koji Kotani and Atsuo Sugimoto and Yutaka Omiya and Takashi Ito},
  title = {Above-CMOS Metal-Pattern Technique for Flexible Inductance Adjustment in Rapid Prototyping of RF SoCs},
  booktitle = {2010 International Conference on Solid State Devices and Materials (SSDM2010)},
  year = 2010,
}