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

  • Technical field:  Semiconductor (semiconductor chip, material, wafer, device, etc.)
  • Status:  Japanese granted patents in 2017 (registration date).
  • Count:  The number of patents filed by each applicant was counted.
RankingNo.ApplicantEnglishList
1901株式会社半導体エネルギー研究所Semiconductor Energy View
2421三菱電機株式会社Mitsubishi Electricー
3246富士電機株式会社Fuji Electricー
4240株式会社東芝Toshibaー
5234ルネサスエレクトロニクス株式会社Renesas Electronicsー
6171株式会社デンソーDENSOー
7170富士フイルム株式会社FUJIFILMー
8164トヨタ自動車株式会社Toyota Motorー
9147富士通株式会社Fujitsuー
10139住友電気工業株式会社Sumitomo Electricー
11122株式会社日立国際電気Hitachi Kokusai Electricー
12108キヤノン株式会社Canonー
13104シャープ株式会社Sharpー
14101パナソニックIPマネジメント株式会社Panasonic IPー
15100日亜化学工業株式会社Nichia Chemicalー
1697信越化学工業株式会社Shin-Etsu Chemicalー
1795株式会社ディスコDiscoー
1891京セラ株式会社Kyoceraー
1991ローム株式会社Rohmー
2089富士通セミコンダクター株式会社FUJITSU SEMICONDUCTORー
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, Semiconductor 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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