- 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: 601
10-year publication summary
|
50
|
47
|
41
|
42
|
43
|
23
|
15
|
15
|
13
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sony Corporation | 30327 |
36 |
| Brother Kogyo Kabushikikaisha | 1787 |
28 |
| Panasonic Corporation | 19386 |
23 |
| Murata Manufacturing Co., Ltd. | 25590 |
21 |
| Kyocera Corporation | 14278 |
21 |
| Omron Corporation | 7340 |
18 |
| NEC Corporation | 36631 |
13 |
| Tokyo Institute of Technology | 1322 |
13 |
| Mitsubishi Electric Corporation | 47722 |
10 |
| Canon Kabushiki Kaisha | 7258 |
8 |
| Fujitsu Limited | 16991 |
7 |
| Denso Corporation | 25361 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 33812 |
7 |
| Sharp Kabushiki Kaisha | 18585 |
6 |
| The Boeing Company | 20131 |
5 |
| Ricoh Company, Ltd. | 13309 |
5 |
| Compagnie générale des établissements Michelin SCA | 2674 |
5 |
| Kapsch TrafficCom IVHS Corp. | 11 |
5 |
| Keio University | 1124 |
5 |
| Sony Semiconductor Solutions Corporation | 11342 |
5 |
| Other owners | 353 |