- 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: 477
10-year publication summary
|
36
|
52
|
55
|
53
|
42
|
28
|
16
|
11
|
10
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 22355 |
97 |
| Sumida Corporation | 291 |
25 |
| Halliburton Energy Services, Inc. | 20165 |
15 |
| Toda Kogyo Corporation | 323 |
13 |
| Casio Computer Co., Ltd. | 3343 |
12 |
| Wins Co., Ltd | 183 |
10 |
| Amosense Co., Ltd. | 433 |
8 |
| Premo S.L. | 31 |
8 |
| NPX B.V. | 2204 |
7 |
| Hitachi Metals, Ltd. | 2175 |
6 |
| Raytheon Company | 8535 |
6 |
| Nippon Telegraph and Telephone Corporation | 14195 |
6 |
| Ricoh Company, Ltd. | 13266 |
4 |
| TDK Corporation | 6306 |
4 |
| Amotech Co., Ltd. | 460 |
4 |
| Dexerials Corporation | 1826 |
4 |
| Toshiba Materials Co., Ltd. | 600 |
4 |
| Universite de Rennes 1 | 434 |
4 |
| TDK Electronics AG | 863 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
4 |
| Other owners | 232 |