- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 21/18 - H-type
Patent holdings for IPC class H01Q 21/18
Total number of patents in this class: 4
10-year publication summary
|
0
|
0
|
0
|
0
|
1
|
2
|
0
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44327 |
1 |
| Murata Manufacturing Co., Ltd. | 25917 |
1 |
| Auden Techno Corp. | 83 |
1 |
| Emrod Limited | 11 |
1 |
| Other owners | 0 |