- 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: 457
10-year publication summary
|
52
|
55
|
52
|
42
|
28
|
16
|
13
|
10
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24575 |
93 |
| Sumida Corporation | 326 |
24 |
| Halliburton Energy Services, Inc. | 20908 |
15 |
| Toda Kogyo Corporation | 337 |
11 |
| Casio Computer Co., Ltd. | 3432 |
10 |
| Wins Co., Ltd | 186 |
10 |
| Amosense Co., Ltd. | 486 |
8 |
| Premo S.L. | 40 |
8 |
| NPX B.V. | 2546 |
7 |
| Raytheon Company | 8387 |
6 |
| Nippon Telegraph and Telephone Corporation | 17349 |
6 |
| Hitachi Metals, Ltd. | 1977 |
4 |
| Ricoh Company, Ltd. | 13279 |
4 |
| TDK Corporation | 6750 |
4 |
| Amotech Co., Ltd. | 523 |
4 |
| Dexerials Corporation | 1932 |
4 |
| Nucurrent, Inc. | 360 |
4 |
| Toshiba Materials Co., Ltd. | 667 |
4 |
| Universite de Rennes 1 | 456 |
4 |
| TDK Electronics AG | 934 |
4 |
| Other owners | 223 |