@article{CTT100784154,
  author = {Yoshitoshi Tanaka and Daphne Jue Wang},
  title = {Granted patents have the same level of inventive step? A new approach to distinguish patent protection based on the level of inventive step},
  journal = {Int. J. Intellectual Property Management.},
  year = 2011,
}

@inproceedings{CTT100787222,
  author = {Yoshitoshi Tanaka and Daphne Jue Wang},
  title = {New approach to distinguish patent protection based on the level of inventive step},
  booktitle = {Law Across Nations: Governance, Policy & Statues},
  year = 2011,
}