@article{CTT100784156,
  author = {Hiroaki Nagatsuka and Yoshitoshi Tanaka},
  title = {Management of patent applications for digital camera considering the product life cycle},
  journal = {International Journal of Liability and Scientific Enquiry},
  year = 2011,
}

@article{CTT100787231,
  author = {Hiroaki Nagatsuka and Yoshitoshi Tanaka},
  title = {Management of patent applications for digital camera considering the product life cycle},
  journal = {Private Law},
  year = 2010,
}

@inproceedings{CTT100784114,
  author = {Hiroaki Nagatsuka and Yoshitoshi Tanaka},
  title = {Research on Management of Patent Applications about Long Life-Cycle Electric Appliances},
  booktitle = {PICMET 2010 TECHNOLOGY MANAGEMENT FOR GLOBAL ECONOMIC GROWTH},
  year = 2010,
}