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

  • Technical field:  Electronic circuit (electronic circuit device/component, semiconductor integrated circuit, etc.)
  • Status:  Japanese granted patents in 2017 (registration date).
  • Count:  The number of patents filed by each applicant was counted.
RankingNo.ApplicantEnglishList
1105セイコーエプソン株式会社Seiko Epson View
297三菱電機株式会社Mitsubishi Electric
390株式会社半導体エネルギー研究所Semiconductor Energy
489株式会社村田製作所Murata Manufacturing
581富士通株式会社Fujitsu
679クゥアルコム・インコーポレイテッドQUALCOMM
749株式会社東芝Toshiba
844日本電気株式会社NEC
944株式会社デンソーDENSO
1039パナソニック株式会社Panasonic
1138日本電信電話株式会社Nippon Telegraph
1236日本電波工業株式会社Nippon Denpa
1335京セラ株式会社Kyocera
1428京セラクリスタルデバイス株式会社Kyocera Crystal Device
1526ルネサスエレクトロニクス株式会社Renesas Electronics
1625パナソニックIPマネジメント株式会社Panasonic IP
1724富士通セミコンダクター株式会社FUJITSU SEMICONDUCTOR
1823太陽誘電株式会社Taiyo Yuden
1922株式会社メガチップスMegaChips
2021エプコス アクチエンゲゼルシャフトEpcos
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, Electronic circuit 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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