@inproceedings{CTT100905180,
  author = {德冨一敬 and 小林能直},
  title = {Cu含有高炭素鋼における銅硫化物の析出},
  booktitle = {},
  year = 2023,
}

@misc{CTT100934596,
  author = {小林能直 and 德冨一敬},
  title = {鋼材及びその製造方法},
  howpublished = {公開特許},
  year = 2025,
  month  = {},
  note   = {特願2023-137482(2023/08/25), 特開2025-031326(2025/03/07)}
}