@article{CTT100779852,
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  title = {Study of blocking patents and many patents strategy by Japanese big companies},
  journal = {International Journal of Liability and Scientific Enquiry},
  year = 2014,
}

@article{CTT100787085,
  author = {Yoshifumi Okuda and Yoshitoshi Tanaka},
  title = {Study of blocking patents and many patents strategy by Japanese big companies},
  journal = {IAITL},
  year = 2013,
}

@inproceedings{CTT100787225,
  author = {Yoshifumi Okuda and Yoshitoshi Tanaka},
  title = {What are the critical factors making influences on the selection of patents to be maintained or abandoned, for proper patent portfolio?},
  booktitle = {Information Ethics and Security},
  year = 2014,
}

@inproceedings{CTT100784165,
  author = {Kengo Hayashida and Yoshitoshi Tanaka and Yoshifumi Okuda},
  title = {Comparative study on IT related companies with global patent strategy},
  booktitle = {},
  year = 2013,
}

@inproceedings{CTT100784163,
  author = {Kengo Hayashida and Yoshitoshi Tanaka and Yoshifumi Okuda},
  title = {Patent scouting defines further growth under open innovation era, in Case of Google},
  booktitle = {},
  year = 2013,
}

@inproceedings{CTT100784093,
  author = {Yoshifumi Okuda and Yoshitoshi Tanaka},
  title = {How are Defensive Patents Defined and Utilized as Business Strategic Tools?: Questionnaire Survey to Japanese Enterprises Having Many Defensive Patents},
  booktitle = {Proceedings of PICMET '11: Technology Management in the Energy Smart World},
  year = 2011,
}

@misc{CTT100774350,
  author = {奥田慶文 and 橋本利雄 and Muhammad Nasih Basyarahil and 山崎忠史 and 田中義敏},
  title = {PCT出願Top20社にみる新興国への出願状況 日本企業は、新興国への特許出願に遅れを取っていないか！？},
  year = 2012,
}

@misc{CTT100846708,
  author = {奥田慶文},
  title = {特許戦略における守りと攻めの戦略要素に関する研究},
  year = 2019,
}

@misc{CTT100803513,
  author = {奥田慶文},
  title = {特許戦略における守りと攻めの戦略要素に関する研究},
  year = 2019,
}

@misc{CTT100803512,
  author = {奥田慶文},
  title = {特許戦略における守りと攻めの戦略要素に関する研究},
  year = 2019,
}

@misc{CTT100803511,
  author = {奥田慶文},
  title = {特許戦略における守りと攻めの戦略要素に関する研究},
  year = 2019,
}



@phdthesis{CTT100846708,
  author = {奥田慶文},
  title = {特許戦略における守りと攻めの戦略要素に関する研究},
  school = {東京工業大学},
  year = 2019,
}

@phdthesis{CTT100803513,
  author = {奥田慶文},
  title = {特許戦略における守りと攻めの戦略要素に関する研究},
  school = {東京工業大学},
  year = 2019,
}

@phdthesis{CTT100803512,
  author = {奥田慶文},
  title = {特許戦略における守りと攻めの戦略要素に関する研究},
  school = {東京工業大学},
  year = 2019,
}

@phdthesis{CTT100803511,
  author = {奥田慶文},
  title = {特許戦略における守りと攻めの戦略要素に関する研究},
  school = {東京工業大学},
  year = 2019,
}