- 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: 1322
10-year publication summary
|
105
|
59
|
43
|
49
|
22
|
23
|
34
|
24
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18627 |
243 |
| NTT DoCoMo, Inc. | 14081 |
204 |
| Panasonic Corporation | 19859 |
134 |
| NEC Corporation | 36475 |
85 |
| Sony Corporation | 30568 |
84 |
| Kyocera Corporation | 14199 |
74 |
| Nippon Telegraph and Telephone Corporation | 16263 |
63 |
| Fujitsu Limited | 17288 |
39 |
| Mitsubishi Electric Corporation | 47416 |
35 |
| Panasonic Intellectual Property Corporation of America | 7034 |
29 |
| Hitachi, Ltd. | 15835 |
14 |
| Hitachi Kokusai Electric Inc. | 852 |
14 |
| Electronics and Telecommunications Research Institute | 9457 |
13 |
| Infinera Corporation | 640 |
13 |
| Samsung Electronics Co., Ltd. | 152016 |
11 |
| LG Electronics Inc. | 74502 |
11 |
| Sony Group Corporation | 14964 |
10 |
| KDDI Corporation | 1086 |
9 |
| Nippon Hoso Kyokai | 224 |
9 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6218 |
9 |
| Other owners | 219 |