- 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: 4365
10-year publication summary
|
356
|
302
|
259
|
192
|
113
|
98
|
75
|
46
|
38
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 36611 |
210 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
114 |
| Sony Corporation | 30440 |
106 |
| Microsoft Technology Licensing, LLC | 54215 |
96 |
| Verizon Patent And Licensing Inc. | 7487 |
92 |
| Sharp Kabushiki Kaisha | 18630 |
92 |
| Mitsubishi Electric Corporation | 47556 |
84 |
| NTT DoCoMo, Inc. | 14250 |
80 |
| Kyocera Corporation | 14241 |
69 |
| Huawei Technologies Co., Ltd. | 119891 |
63 |
| AT&T Intellectual Property I, L.P. | 9831 |
60 |
| Panasonic Corporation | 19680 |
56 |
| Samsung Electronics Co., Ltd. | 153573 |
54 |
| Malikie Innovations Limited | 6679 |
52 |
| Ericsson | 22283 |
51 |
| Cisco Technology, Inc. | 22256 |
50 |
| T-Mobile Innovations LLC | 3996 |
39 |
| Nippon Telegraph and Telephone Corporation | 16002 |
38 |
| Denso Corporation | 25165 |
34 |
| Fujitsu Limited | 16989 |
32 |
| Other owners | 2893 |