- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 7/08 - Ferrite rod or like elongated core
Patent holdings for IPC class H01Q 7/08
Total number of patents in this class: 456
10-year publication summary
|
50
|
54
|
50
|
41
|
26
|
16
|
13
|
10
|
7
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24813 |
92 |
| Sumida Corporation | 327 |
24 |
| Halliburton Energy Services, Inc. | 20964 |
15 |
| Toda Kogyo Corporation | 344 |
11 |
| Casio Computer Co., Ltd. | 3452 |
10 |
| Wins Co., Ltd | 186 |
10 |
| Amosense Co., Ltd. | 487 |
8 |
| Premo S.L. | 40 |
8 |
| NPX B.V. | 2578 |
7 |
| Raytheon Company | 8395 |
6 |
| Nippon Telegraph and Telephone Corporation | 17324 |
6 |
| Hitachi Metals, Ltd. | 1971 |
4 |
| Ricoh Company, Ltd. | 13386 |
4 |
| TDK Corporation | 6874 |
4 |
| Amotech Co., Ltd. | 526 |
4 |
| Dexerials Corporation | 1946 |
4 |
| Nucurrent, Inc. | 361 |
4 |
| Toshiba Materials Co., Ltd. | 654 |
4 |
| Universite de Rennes 1 | 456 |
4 |
| TDK Electronics AG | 953 |
4 |
| Other owners | 223 |