@misc{CTT100742414,
  author = {Kazuhiko Fukawa and HIROSHI SUZUKI},
  title = {無線通信システム},
  howpublished = {RegisteredPatent},
  year = 2020,
  month  = {},
  note   = {特願2015-153334(2015/08/03), 特開2017-034500(2017/02/09), 特許第6701545号(2020/05/11)}
}