- 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: 1446
10-year publication summary
|
66
|
114
|
112
|
62
|
43
|
50
|
22
|
22
|
32
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18957 |
250 |
| NTT DoCoMo, Inc. | 11501 |
208 |
| Panasonic Corporation | 20786 |
134 |
| Sony Corporation | 32931 |
88 |
| NEC Corporation | 32703 |
88 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
79 |
| Kyocera Corporation | 12735 |
74 |
| Nippon Telegraph and Telephone Corporation | 14195 |
57 |
| Fujitsu Limited | 19265 |
51 |
| Mitsubishi Electric Corporation | 43934 |
37 |
| Panasonic Intellectual Property Corporation of America | 7230 |
30 |
| Samsung Electronics Co., Ltd. | 131630 |
14 |
| Hitachi, Ltd. | 16452 |
14 |
| Hitachi Kokusai Electric Inc. | 1070 |
14 |
| Electronics and Telecommunications Research Institute | 8830 |
13 |
| Sanyo Electric Co., Ltd. | 3926 |
12 |
| LG Electronics Inc. | 69257 |
11 |
| Qualcomm Incorporated | 76576 |
9 |
| Infinera Corporation | 620 |
9 |
| Nippon Hoso Kyokai | 203 |
9 |
| Other owners | 245 |