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Toward the patent thicket detection : an empirical study on Japanese ARIB patent pool
https://kobe-cufs.repo.nii.ac.jp/records/1214
https://kobe-cufs.repo.nii.ac.jp/records/12144b29bfdb-bb95-4fc2-8ece-871c2e1dd7d4
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
ダウンロード (1.7 MB)
|
| Item type | 研究報告書 / Research Paper(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2008-03-01 | |||||
| タイトル | ||||||
| タイトル | Toward the patent thicket detection : an empirical study on Japanese ARIB patent pool | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | Patent Thicket | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | Patent Pools | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | Antitrust | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
| 資源タイプ | research report | |||||
| 著者 |
Tanaka, Satoru
× Tanaka, Satoru |
|||||
| 著者所属機関 | ||||||
| 値 | Kobe City University of Foreign studies | |||||
| 雑誌名 |
en : Kobe city university of foreign studies working paper series 号 28, p. 1-14, 発行日 2008-03 |
|||||
| 出版者 | ||||||
| 出版者 | Institute for foreign studies Kobe city university of foreign studies | |||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Patent pool may be the solution for dissolving the economic inefficiencies caused by the existence of the patent thicket. In order to determine whether this is the case or not, the index that clarifies the existence of the patent thicket is necessary. In this paper, using the simple index (which Clarkson (2005) proposed) focused on the citation relationship of the patent network, I examine whether there exists patent thicket over the patent space surrounding Japanese ARIB patent pool. On the country of Clarkson’s results, the density of citation in the pooled patent intra-network is thinner than that in the patent space surrounding the pool. However, through focusing on the relationship between pooled patents and their “hull”, it is verified that there exists patent thicket over the ARIB patent pool. | |||||
| 分類 | ||||||
| 値 | JEL classification:L15,L41,O33,O34 | |||||
| 備考 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 文部科学省科学研究費（基盤研究(A)）2007年度～2009年度、研究課題番号：19203015、代表者：土井教之 | |||||
| 関連サイト | ||||||
| 表示名 | KAKEN : 科学研究費助成事業データベース | |||||
| URL | http://kaken.nii.ac.jp/d/p/19203015.ja.html | |||||
| 著者版フラグ | ||||||
| 出版タイプ | VoR | |||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | application/pdf | |||||
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Cite as
Tanaka, Satoru, 2008, Toward the patent thicket detection : an empirical study on Japanese ARIB patent pool: Institute for foreign studies Kobe city university of foreign studies, 1–14 p.
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