The following table shows the ranking of Applicants in Japan. The ranking is based on the following conditions.

  • Technical field:  AI (artificial intelligence, machine learning, deep learning, etc.)
  • Status:  All (i.e., Japanese patent applications in 2016 (application date)).
  • Count:  The number of Japanese patent applications filed by each applicant was counted.
RankingNo.ApplicantEnglishList
186日本電信電話株式会社Nippon Telegraph View
261ファナック株式会社FANUC
349富士通株式会社Fujitsu
448日本電気株式会社NEC
541株式会社日立製作所Hitachi
640ヤフー株式会社Yahoo
739グーグル エルエルシーGoogle LLC
836株式会社東芝Toshiba
935キヤノン株式会社Canon
1029三菱電機株式会社Mitsubishi Electric
1129ソニー株式会社Sony
1229株式会社リコーRicoh
1324クゥアルコム・インコーポレイテッドQualcomm
1424パナソニックIPマネジメント株式会社Panasonic IP Management
1517パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property
1617富士ゼロックス株式会社Fuji Xerox
In preparing the table, a patent search expert conducted a patent search using patent classification and keywords (as necessary) in order to extract patents in specific technical field (here, AI field).
In the patent search, it was confirmed that a high-accuracy population (i.e., a population not including non-relevant fields) of patents was obtained. Subsequently, the population was used to create the table.
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