- All sections
- G - Physics
- G04G - Electronic time-pieces
- G04G 13/02 - Producing acoustic time signals at preselected times, e.g. alarm clocks
Patent holdings for IPC class G04G 13/02
Total number of patents in this class: 189
10-year publication summary
|
32
|
32
|
32
|
28
|
19
|
14
|
21
|
10
|
13
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 50209 |
22 |
| Koninklijke Philips N.V. | 22975 |
15 |
| Samsung Electronics Co., Ltd. | 131630 |
8 |
| BlackBerry Limited | 5958 |
6 |
| LG Electronics Inc. | 69257 |
5 |
| Huawei Technologies Co., Ltd. | 100781 |
5 |
| Pictiva Displays International Limited | 269 |
5 |
| Koninklijke Philips Electronics N.V. | 13133 |
4 |
| Huawei Device Co., Ltd. | 2758 |
4 |
| Kyocera Corporation | 12735 |
3 |
| ZTE Corporation | 39218 |
3 |
| Microsoft Technology Licensing, LLC | 51439 |
3 |
| Xiaomi Inc. | 1683 |
3 |
| Capital One Services, LLC. | 7551 |
3 |
| Solomon Systems, Inc. | 10 |
3 |
| Sonos, Inc. | 2274 |
3 |
| Qualcomm Incorporated | 76576 |
2 |
| International Business Machines Corporation | 60644 |
2 |
| Panasonic Corporation | 20786 |
2 |
| Alibaba Group Holding Limited | 7149 |
2 |
| Other owners | 86 |