- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 1/667 - Preventing unauthorised calls from a telephone set
Patent holdings for IPC class H04M 1/667
Total number of patents in this class: 79
10-year publication summary
|
8
|
7
|
6
|
12
|
5
|
4
|
3
|
1
|
3
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
9 |
| Kyocera Corporation | 12735 |
6 |
| Sharp Kabushiki Kaisha | 18957 |
5 |
| Yondr, Inc. | 39 |
5 |
| NEC Corporation | 32703 |
4 |
| Panasonic Corporation | 20786 |
3 |
| Confinement Telephony Technology, LLC | 42 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Nikon Corporation | 7162 |
2 |
| Hank Technology LLC | 7 |
2 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
2 |
| Alcatel Lucent | 4720 |
2 |
| Incadence Strategic Solutions Corporation | 6 |
2 |
| Brian Cronk | 5 |
2 |
| Connor Cronk | 5 |
2 |
| Disney Enterprises, Inc. | 6012 |
1 |
| Research In Motion Limited | 2283 |
1 |
| Sony Ericsson Mobile Communications AB | 2014 |
1 |
| International Business Machines Corporation | 60644 |
1 |
| Royal Bank of Canada | 1839 |
1 |
| Other owners | 23 |