@misc{CTT100865178,
  author = {岡田昌史 and 黒須寛明},
  title = {衝撃緩和機構},
  howpublished = {登録特許},
  year = 2024,
  month  = {},
  note   = {特願2020-033991(2020/02/28), 特開2021-134911(2021/09/13), 特許第7421795号(2024/01/17)}
}