- 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: 4532
10-year publication summary
|
345
|
361
|
303
|
263
|
193
|
113
|
100
|
73
|
46
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 35567 |
217 |
| Panasonic Intellectual Property Management Co., Ltd. | 31273 |
109 |
| Sony Corporation | 31080 |
107 |
| Microsoft Technology Licensing, LLC | 53667 |
98 |
| Sharp Kabushiki Kaisha | 18771 |
96 |
| Mitsubishi Electric Corporation | 45998 |
84 |
| NTT DoCoMo, Inc. | 12890 |
81 |
| Kyocera Corporation | 13792 |
79 |
| Verizon Patent And Licensing Inc. | 7077 |
76 |
| Huawei Technologies Co., Ltd. | 112134 |
68 |
| AT&T Intellectual Property I, L.P. | 9507 |
62 |
| Panasonic Corporation | 20128 |
56 |
| Cisco Technology, Inc. | 19881 |
56 |
| Malikie Innovations Limited | 7150 |
55 |
| Samsung Electronics Co., Ltd. | 145630 |
54 |
| Ericsson | 21724 |
52 |
| Nippon Telegraph and Telephone Corporation | 17303 |
38 |
| Denso Corporation | 24248 |
36 |
| T-Mobile Innovations LLC | 3635 |
34 |
| Fujitsu Limited | 18341 |
33 |
| Other owners | 3041 |