- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 11/00 - Telephonic communication systems specially adapted for combination with other electrical systems
Patent holdings for IPC class H04M 11/00
Total number of patents in this class: 4506
10-year publication summary
|
340
|
356
|
302
|
259
|
192
|
113
|
98
|
74
|
46
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 35935 |
216 |
| Panasonic Intellectual Property Management Co., Ltd. | 31806 |
109 |
| Sony Corporation | 30936 |
107 |
| Microsoft Technology Licensing, LLC | 53891 |
99 |
| Sharp Kabushiki Kaisha | 18716 |
96 |
| Mitsubishi Electric Corporation | 46397 |
84 |
| NTT DoCoMo, Inc. | 13273 |
81 |
| Kyocera Corporation | 13909 |
78 |
| Verizon Patent And Licensing Inc. | 7133 |
76 |
| Huawei Technologies Co., Ltd. | 113689 |
68 |
| AT&T Intellectual Property I, L.P. | 9576 |
62 |
| Panasonic Corporation | 20050 |
56 |
| Malikie Innovations Limited | 7079 |
55 |
| Samsung Electronics Co., Ltd. | 147501 |
54 |
| Cisco Technology, Inc. | 21991 |
54 |
| Ericsson | 21888 |
52 |
| Nippon Telegraph and Telephone Corporation | 17371 |
38 |
| Fujitsu Limited | 18387 |
33 |
| Denso Corporation | 24431 |
33 |
| T-Mobile Innovations LLC | 3679 |
33 |
| Other owners | 3022 |