The following table shows the ranking of Applicants of PCT applications. The ranking is based on the following conditions.
- Technical field: Sound (digital audio processing, tuning device, speech processing, voice search, noise cancellation, microphone, piano, electronic instrument, etc.)
- Status: PCTapplications in 2018 (publication date by WIPO).
- Count: The number of patent applictions filed by each applicant was counted.
| Ranking | No. | Applicant |
|---|---|---|
| 1 | 114 | YAMAHA CORPORATION |
| 2 | 88 | GOOGLE LLC |
| 3 | 73 | SAMSUNG ELECTRONICS CO.. LTD. |
| 4 | 69 | SONY CORPORATION |
| 5 | 68 | MICROSOFT TECHNOLOGY LICENSING. LLC |
| 6 | 30 | NOKIA TECHNOLOGIES OY |
| 7 | 26 | BOSE CORPORATION |
| 8 | 25 | HUAWEI TECHNOLOGIES CO.. LTD. |
| 9 | 25 | TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED |
| 10 | 24 | QUALCOMM INCORPORATED |
| 11 | 23 | PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO.. LTD. |
| 12 | 20 | FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. |
| 13 | 19 | KONINKLIJKE PHILIPS N.V. |
| 14 | 19 | MITSUBISHI ELECTRIC CORPORATION |
| 15 | 18 | ZTE CORPORATION |
| 16 | 17 | AMAZON TECHNOLOGIES. INC. |
| 17 | 16 | NIPPON TELEGRAPH AND TELEPHONE CORPORATION |
| 18 | 15 | ALIBABA GROUP HOLDING LIMITED |
| 19 | 15 | HEWLETT-PACKARD DEVELOPMENT COMPANY. L.P. |
| 20 | 15 | CIRRUS LOGIC INTERNATIONAL SEMICONDUCTOR LIMITED |
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.
