- 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: 1363
10-year publication summary
|
114
|
112
|
62
|
43
|
50
|
22
|
23
|
33
|
24
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18854 |
246 |
| NTT DoCoMo, Inc. | 12589 |
207 |
| Panasonic Corporation | 20220 |
134 |
| Sony Corporation | 31261 |
85 |
| NEC Corporation | 34993 |
83 |
| Kyocera Corporation | 13548 |
74 |
| Nippon Telegraph and Telephone Corporation | 16861 |
63 |
| Fujitsu Limited | 18304 |
45 |
| Mitsubishi Electric Corporation | 45414 |
37 |
| Matsushita Electric Industrial Co., Ltd. | 2135 |
35 |
| Panasonic Intellectual Property Corporation of America | 7554 |
29 |
| Hitachi, Ltd. | 15334 |
14 |
| Hitachi Kokusai Electric Inc. | 1026 |
14 |
| Electronics and Telecommunications Research Institute | 9182 |
13 |
| Samsung Electronics Co., Ltd. | 142124 |
12 |
| LG Electronics Inc. | 71880 |
10 |
| Infinera Corporation | 635 |
10 |
| KDDI Corporation | 916 |
9 |
| Nippon Hoso Kyokai | 221 |
9 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6276 |
9 |
| Other owners | 225 |