- All sections
- H - Electricity
- H04B - Transmission
- H04B 5/04 - Calling systems, e.g. paging system
Patent holdings for IPC class H04B 5/04
Total number of patents in this class: 25
10-year publication summary
|
4
|
0
|
3
|
4
|
3
|
3
|
3
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hellofactory Co., Ltd. | 30 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| PayPal, Inc. | 3804 |
2 |
| Stryker Corporation | 3864 |
2 |
| Lenovo International Limited | 1065 |
2 |
| Medtronic, Inc. | 9964 |
1 |
| Huawei Technologies Co., Ltd. | 100781 |
1 |
| STMicroelectronics S.r.l. | 3693 |
1 |
| Casio Computer Co., Ltd. | 3343 |
1 |
| Nokia Technologies Oy | 15057 |
1 |
| Consolidated Research of Richmond, Inc. | 12 |
1 |
| Industrial Cooperation Foundation Chonbuk National University | 434 |
1 |
| IPscape Pty Ltd | 2 |
1 |
| Nokia Inc. | 2036 |
1 |
| MediaTek Singapore Pte. Ltd. | 850 |
1 |
| ENNIS, Louis, C. | 1 |
1 |
| Quintet Systems, Inc. | 1 |
1 |
| NCR Voyix Corporation | 1070 |
1 |
| Other owners | 0 |