- All sections
- H - Electricity
- H04J - Multiplex communication
- H04J 99/00 - Subject matter not provided for in other groups of this subclass
Patent holdings for IPC class H04J 99/00
Total number of patents in this class: 1332
10-year publication summary
|
109
|
105
|
59
|
43
|
49
|
22
|
23
|
33
|
24
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18624 |
244 |
| NTT DoCoMo, Inc. | 13646 |
204 |
| Panasonic Corporation | 19966 |
134 |
| Sony Corporation | 30787 |
84 |
| NEC Corporation | 36257 |
84 |
| Kyocera Corporation | 14083 |
74 |
| Nippon Telegraph and Telephone Corporation | 16320 |
63 |
| Fujitsu Limited | 17652 |
40 |
| Mitsubishi Electric Corporation | 46926 |
35 |
| Panasonic Intellectual Property Corporation of America | 6925 |
29 |
| Hitachi, Ltd. | 15692 |
14 |
| Hitachi Kokusai Electric Inc. | 862 |
14 |
| Matsushita Electric Industrial Co., Ltd. | 792 |
13 |
| Electronics and Telecommunications Research Institute | 9451 |
13 |
| Infinera Corporation | 640 |
13 |
| Samsung Electronics Co., Ltd. | 149087 |
12 |
| LG Electronics Inc. | 73772 |
11 |
| Sony Group Corporation | 14537 |
10 |
| KDDI Corporation | 1050 |
9 |
| Nippon Hoso Kyokai | 225 |
9 |
| Other owners | 223 |