- All sections
- H - Electricity
- H03J - Tuning resonant circuitsselecting resonant circuits
- H03J 3/18 - Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
Patent holdings for IPC class H03J 3/18
Total number of patents in this class: 21
10-year publication summary
|
6
|
3
|
3
|
0
|
1
|
1
|
0
|
2
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Skyworks Solutions, Inc. | 3986 |
4 |
| Innolux Corporation | 3618 |
2 |
| Qualcomm Incorporated | 93376 |
1 |
| Siemens AG | 23956 |
1 |
| International Business Machines Corporation | 62805 |
1 |
| Seiko Epson Corporation | 20446 |
1 |
| GM Global Technology Operations LLC | 16232 |
1 |
| Epcos AG | 634 |
1 |
| The General Hospital Corporation | 4890 |
1 |
| Board of Trustees of Michigan State University | 1235 |
1 |
| The Hong Kong University of Science and Technology | 847 |
1 |
| Lsis Co., Ltd. | 815 |
1 |
| Schneider Electric Industries SAS | 1598 |
1 |
| Psemi Corporation | 1086 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12324 |
1 |
| UCL Business Ltd | 678 |
1 |
| Her Majesty the Queen in the Right of Canada, as represented by the Minister of Industry, through the Communication Research Centre Canada | 1 |
1 |
| Other owners | 0 |