- 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: 1273
10-year publication summary
|
112
|
62
|
43
|
50
|
22
|
23
|
34
|
24
|
9
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18484 |
238 |
| NTT DoCoMo, Inc. | 15074 |
203 |
| Panasonic Corporation | 18658 |
120 |
| Sony Corporation | 30029 |
84 |
| NEC Corporation | 37491 |
82 |
| Kyocera Corporation | 14479 |
73 |
| Nippon Telegraph and Telephone Corporation | 15911 |
62 |
| Fujitsu Limited | 16807 |
35 |
| Mitsubishi Electric Corporation | 48409 |
33 |
| Panasonic Intellectual Property Corporation of America | 7283 |
29 |
| Hitachi, Ltd. | 16221 |
14 |
| Hitachi Kokusai Electric Inc. | 830 |
14 |
| LG Electronics Inc. | 76219 |
13 |
| Electronics and Telecommunications Research Institute | 9701 |
13 |
| Infinera Corporation | 635 |
13 |
| Samsung Electronics Co., Ltd. | 159298 |
11 |
| Sony Group Corporation | 16052 |
10 |
| KDDI Corporation | 1207 |
9 |
| Nippon Hoso Kyokai | 230 |
9 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6167 |
9 |
| Other owners | 199 |