@inproceedings{CTT100700128,
  author = {motoaki utamura and HIROSHIGE KIKURA and nobuyoshi tsuzuki},
  title = {ＣＯ２を冷媒とするヒートポンプ給湯器のＣＯＰ改善について},
  booktitle = {2008年度日本冷凍空調学会年次大会講演論文集},
  year = 2008,
}

@misc{CTT100611921,
  author = {HIROSHIGE KIKURA and MASANORI ARITOMI},
  title = {混相流測定装置および混相流測定方法},
  howpublished = {PublishedPatent},
  year = 2010,
  month  = {},
  note   = {特願2008-282636(2008/11/01), 特開2010-107487(2010/05/13)}
}


@misc{CTT100600611,
  author = {HIROSHIGE KIKURA and MASANORI ARITOMI},
  title = {超音波混相流測定装置および超音波混相流測定方法},
  howpublished = {PublishedPatent},
  year = 2009,
  month  = {},
  note   = {特願2008-130733(2008/05/19), 特開2009-276329(2009/11/26)}
}


@misc{CTT100600620,
  author = {HIROSHIGE KIKURA},
  title = {ヒートポンプ及びそれに用いる放熱器},
  howpublished = {PublishedPatent},
  year = 2009,
  month  = {},
  note   = {特願2008-104167(2008/04/12), 特開2009-257612(2009/11/05)}
}