- 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: 4961
10-year publication summary
|
374
|
345
|
361
|
303
|
263
|
193
|
113
|
96
|
71
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 32703 |
221 |
| Sony Corporation | 32931 |
116 |
| Microsoft Technology Licensing, LLC | 51439 |
110 |
| Sharp Kabushiki Kaisha | 18957 |
104 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
102 |
| Mitsubishi Electric Corporation | 43934 |
85 |
| NTT DoCoMo, Inc. | 11501 |
85 |
| Verizon Patent And Licensing Inc. | 6900 |
83 |
| Kyocera Corporation | 12735 |
83 |
| AT&T Intellectual Property I, L.P. | 9886 |
82 |
| Huawei Technologies Co., Ltd. | 100781 |
74 |
| Cisco Technology, Inc. | 18858 |
63 |
| Malikie Innovations Limited | 7703 |
63 |
| Samsung Electronics Co., Ltd. | 131630 |
57 |
| Panasonic Corporation | 20786 |
56 |
| Ericsson | 20417 |
54 |
| Fujitsu Limited | 19265 |
41 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
39 |
| Nippon Telegraph and Telephone Corporation | 14195 |
38 |
| Denso Corporation | 23338 |
37 |
| Other owners | 3368 |