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: Japanese granted patents in 2018 (registration date).
- Count: The number of patents filed by each applicant was counted.
| Ranking | No. | Applicant | English | List |
|---|---|---|---|---|
| 1 | 50 | 日本電信電話株式会社 | Nippon Telegraph | View |
| 2 | 41 | ファナック株式会社 | FANUC | ｰ |
| 3 | 28 | 日本電気株式会社 | NEC | ｰ |
| 4 | 28 | ヤフー株式会社 | Yahoo | ｰ |
| 5 | 24 | 三菱電機株式会社 | Mitsubishi Electric | ｰ |
| 6 | 20 | 株式会社東芝 | Toshiba | ｰ |
| 7 | 16 | 株式会社日立製作所 | Hitachi | ｰ |
| 8 | 16 | キヤノン株式会社 | Canon | ｰ |
| 9 | 13 | 富士通株式会社 | Fujitsu | ｰ |
| 10 | 9 | 株式会社デンソー | DENSO | ｰ |
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.
