- 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: 1431
10-year publication summary
66
|
114
|
112
|
62
|
43
|
50
|
22
|
23
|
33
|
23
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sharp Kabushiki Kaisha | 18901 |
248 |
NTT DoCoMo, Inc. | 12050 |
211 |
Panasonic Corporation | 20509 |
134 |
NEC Corporation | 33951 |
86 |
Sony Corporation | 31735 |
85 |
Kyocera Corporation | 13221 |
74 |
Matsushita Electric Industrial Co., Ltd. | 3333 |
71 |
Nippon Telegraph and Telephone Corporation | 15641 |
63 |
Fujitsu Limited | 18923 |
50 |
Mitsubishi Electric Corporation | 44171 |
37 |
Panasonic Intellectual Property Corporation of America | 7294 |
30 |
Hitachi, Ltd. | 16371 |
14 |
Hitachi Kokusai Electric Inc. | 1047 |
14 |
Samsung Electronics Co., Ltd. | 137084 |
13 |
Electronics and Telecommunications Research Institute | 9061 |
13 |
Infinera Corporation | 626 |
10 |
LG Electronics Inc. | 70430 |
9 |
Sanyo Electric Co., Ltd. | 3821 |
9 |
Nippon Hoso Kyokai | 205 |
9 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6244 |
9 |
Other owners | 242 |