- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 15/22 - Reflecting surfacesEquivalent structures functioning also as polarisation filter
Patent holdings for IPC class H01Q 15/22
Total number of patents in this class: 44
10-year publication summary
|
1
|
3
|
2
|
1
|
4
|
2
|
11
|
3
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Massachusetts Institute of Technology | 10259 |
3 |
| NEC Asia Pacific Pte. Ltd. | 166 |
2 |
| Agc, Inc. | 5557 |
2 |
| International Business Machines Corporation | 62672 |
1 |
| Centre National de La Recherche Scientifique | 11042 |
1 |
| Ericsson | 22815 |
1 |
| Ericsson AB | 348 |
1 |
| FUJIFILM Corporation | 30543 |
1 |
| Huawei Technologies Co., Ltd. | 123677 |
1 |
| Raytheon Company | 8443 |
1 |
| NTT DoCoMo, Inc. | 14805 |
1 |
| Northrop Grumman Systems Corporation | 2913 |
1 |
| Thales SA | 2391 |
1 |
| The Regents of the University of Michigan | 5002 |
1 |
| Centre National d'Etudes Spatiales (C.N.E.S.) | 118 |
1 |
| CommScope Italy S.r.l. | 57 |
1 |
| CommScope Technologies LLC | 3253 |
1 |
| IBM United Kingdom Limited | 4075 |
1 |
| Institut National des Sciences Appliquees de Lyon | 310 |
1 |
| KMW Inc. | 768 |
1 |
| Other owners | 20 |