{"_buckets": {"deposit": "86ed1e86-7026-415f-aa8e-49f244e22012"}, "_deposit": {"id": "17054", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "17054"}, "status": "published"}, "_oai": {"id": "oai:repository.dl.itc.u-tokyo.ac.jp:00017054"}, "item_4_alternative_title_1": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "A Reconsideration of a Japan\u0027s Patent Pool Case on \"Pachinko Machines\" (\u003cFeatured Theme\u003eR\u0026D strategy, Patent Licensing, and Industrial Organization)"}]}, "item_4_biblio_info_7": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2010-01-27", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "2", "bibliographicPageEnd": "162", "bibliographicPageStart": "135", "bibliographicVolumeNumber": "61", "bibliographic_titles": [{"bibliographic_title": "\u793e\u6703\u79d1\u5b78\u7814\u7a76"}]}]}, "item_4_description_5": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "\u672c\u7a3f\u3067\u306f, \u308f\u304c\u56fd\u306e\u30d1\u30c6\u30f3\u30c8\u30d7\u30fc\u30eb\u306b\u5bfe\u3057\u3066\u7af6\u4e89\u653f\u7b56\u4e0a\u554f\u984c\u3068\u3055\u308c\u305f\u30ea\u30fc\u30c7\u30a3\u30f3\u30b0\u30b1\u30fc\u30b9\u3067\u3042\u308b\u300c\u30d1\u30c1\u30f3\u30b3\u6a5f\u7279\u8a31\u30d7\u30fc\u30eb\u4e8b\u4ef6\u300d(\u5e73\u62109\u5e748\u67086\u65e5\u516c\u6b63\u53d6\u5f15\u59d4\u54e1\u4f1a\u52e7\u544a\u5be9\u6c7a)\u306b\u3064\u3044\u3066\u306e\u6cd5\u3068\u7d4c\u6e08\u5b66\u7684\u63a5\u8fd1\u304c\u884c\u308f\u308c\u308b. \u305d\u3053\u3067\u306f, \u3053\u306e\u4e8b\u4ef6\u306b\u5bfe\u3059\u308b\u516c\u6b63\u53d6\u5f15\u59d4\u54e1\u4f1a\u52e7\u544a\u5be9\u6c7a\u304c\u8a8d\u5b9a\u3057\u305f\u4e8b\u5b9f\u305d\u306e\u3082\u306e\u306b\u9061\u3063\u3066, \u30d1\u30c6\u30f3\u30c8\u30d7\u30fc\u30eb\u304c\u3082\u305f\u3089\u3057\u305f\u7af6\u4e89\u4e0a\u306e\u52b9\u679c\u306b\u3064\u3044\u3066\u306e\u691c\u8a0e\u304c\u52a0\u3048\u3089\u308c\u308b. \u672c\u30d1\u30c6\u30f3\u30c8\u30d7\u30fc\u30eb\u304c\u5f62\u6210\u3055\u308c\u305f\u6b74\u53f2\u7684\u7d4c\u904e\u3068\u305d\u306e\u5909\u9077\u304c\u541f\u5473\u3055\u308c\u305f\u5f8c, \u30d1\u30c6\u30f3\u30c8\u30d7\u30fc\u30eb\u306b\u96c6\u7a4d\u3055\u308c\u305f\u7279\u8a31\u6a29\u3092\u3081\u3050\u308b\u7279\u8a31\u5f15\u7528\u95a2\u4fc2\u3092\u7528\u3044\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5206\u6790\u3092\u901a\u3058\u3066, \u3053\u308c\u3089\u306e\u7279\u8a31\u6a29\u306e\u6027\u683c\u304c\u691c\u8a0e\u3055\u308c\u308b. \u3053\u3046\u3057\u305f\u5206\u6790\u3092\u901a\u3058\u3066, \u30d1\u30c6\u30f3\u30c8\u30d7\u30fc\u30eb\u306b\u96c6\u7a4d\u3055\u308c\u305f\u7279\u8a31\u6a29\u304c\u30d1\u30c1\u30f3\u30b3\u6a5f\u88fd\u9020\u306b\u3068\u3063\u3066\u5fc5\u8981\u4e0d\u53ef\u6b20\u306a\u3082\u306e\u3067\u3042\u308a, \u516c\u53d6\u59d4\u5be9\u6c7a\u3067\u554f\u984c\u3068\u3055\u308c\u305f\u30d1\u30c6\u30f3\u30c8\u30d7\u30fc\u30eb\u3092\u901a\u3058\u305f\u53c2\u5165\u6392\u9664\u304c\u5b9f\u52b9\u6027\u3092\u6709\u3057\u3066\u3044\u305f\u3053\u3068\u304c\u660e\u3089\u304b\u3068\u3055\u308c\u308b.\u3053\u308c\u3089\u306e\u5e30\u7d50\u3092\u30d9\u30fc\u30b9\u306b\u3057\u3066, \u672c\u30d1\u30c6\u30f3\u30c8\u30d7\u30fc\u30eb\u306b\u95a2\u3057\u3066\u884c\u308f\u308c\u305f\u5be9\u6c7a\u306e\u72ec\u5360\u7981\u6b62\u6cd5\u304a\u3088\u3073\u7af6\u4e89\u653f\u7b56\u4e0a\u306e\u610f\u5473\u306b\u3064\u3044\u3066\u306e\u8003\u5bdf\u304c\u884c\u308f\u308c\u308b.", "subitem_description_type": "Abstract"}, {"subitem_description": "This paper is a \"Law and Economics\" approach to the Japanese patent pool case on \"Pachinko\" machines (Japanese entertainment machine) which is the leading case of monopolization by means of the patent pool. In there, we consider the competitive effects of the patent pool by tracing the various facts around this pool. After examining the historical backgrounds of this patent pool, we analyze the characteristics of the patents collected in the pool through the network analysis of the patent citation network. As a result, it is shown that the patents collected in the patent pool are essential to manufacture the \"Pachinko\" machines, and that the refusal of the license of this kind of the patents is effective to the entry deterrence. 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