- All sections
- H - Electricity
- H04B - Transmission
- H04B 1/59 - RespondersTransponders
Patent holdings for IPC class H04B 1/59
Total number of patents in this class: 649
10-year publication summary
|
40
|
50
|
47
|
41
|
42
|
43
|
23
|
15
|
14
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 31052 |
37 |
| Brother Kogyo Kabushikikaisha | 1749 |
35 |
| Panasonic Corporation | 20110 |
23 |
| Murata Manufacturing Co., Ltd. | 24526 |
21 |
| Kyocera Corporation | 13799 |
20 |
| Omron Corporation | 7261 |
18 |
| NEC Corporation | 35652 |
16 |
| Tokyo Institute of Technology | 1374 |
13 |
| Mitsubishi Electric Corporation | 46093 |
11 |
| Fujitsu Limited | 18351 |
10 |
| Matsushita Electric Industrial Co., Ltd. | 1493 |
9 |
| Canon Kabushiki Kaisha | 7056 |
8 |
| Denso Corporation | 24282 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 31375 |
7 |
| Hitachi, Ltd. | 15484 |
6 |
| Sharp Kabushiki Kaisha | 18744 |
6 |
| The Boeing Company | 20043 |
5 |
| Ricoh Company, Ltd. | 13247 |
5 |
| Semiconductor Energy Laboratory Co., Ltd. | 11403 |
5 |
| Compagnie générale des établissements Michelin SCA | 2569 |
5 |
| Other owners | 382 |