- 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: 4294
10-year publication summary
|
361
|
303
|
263
|
193
|
113
|
100
|
75
|
46
|
38
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 37004 |
209 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
118 |
| Sony Corporation | 30181 |
106 |
| Microsoft Technology Licensing, LLC | 54466 |
94 |
| Verizon Patent And Licensing Inc. | 7560 |
91 |
| Sharp Kabushiki Kaisha | 18523 |
89 |
| Mitsubishi Electric Corporation | 48018 |
84 |
| NTT DoCoMo, Inc. | 14702 |
80 |
| Kyocera Corporation | 14359 |
67 |
| Huawei Technologies Co., Ltd. | 123385 |
63 |
| AT&T Intellectual Property I, L.P. | 9995 |
59 |
| Panasonic Corporation | 19019 |
56 |
| Samsung Electronics Co., Ltd. | 157719 |
54 |
| Ericsson | 22717 |
51 |
| Malikie Innovations Limited | 6455 |
50 |
| Cisco Technology, Inc. | 22493 |
49 |
| T-Mobile Innovations LLC | 4109 |
38 |
| Nippon Telegraph and Telephone Corporation | 15924 |
35 |
| Denso Corporation | 25534 |
34 |
| Fujitsu Limited | 16874 |
31 |
| Other owners | 2836 |