- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 15/12 - Refracting or diffracting devices, e.g. lens, prism functioning also as polarisation filter
Patent holdings for IPC class H01Q 15/12
Total number of patents in this class: 38
10-year publication summary
|
1
|
1
|
6
|
3
|
3
|
1
|
3
|
2
|
6
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 36129 |
4 |
| Ignion, S.L. | 93 |
4 |
| AT&T Intellectual Property I, L.P. | 9613 |
3 |
| Kyocera Corporation | 13997 |
3 |
| Denso Corporation | 24588 |
2 |
| Massachusetts Institute of Technology | 10121 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2787 |
2 |
| MMA Design, LLC | 38 |
2 |
| Synergy Microwave Corporation | 40 |
2 |
| Panasonic Corporation | 20018 |
1 |
| Lockheed Martin Corporation | 3271 |
1 |
| Northrop Grumman Systems Corporation | 2929 |
1 |
| Thales SA | 2358 |
1 |
| ACE Technologies Corporation | 141 |
1 |
| Audi AG | 7381 |
1 |
| Kyocera International, Inc. | 53 |
1 |
| POSTECH Academy-industry Foundation | 1089 |
1 |
| Rogers Corporation | 493 |
1 |
| Volkswagen AG | 7379 |
1 |
| Agc, Inc. | 4949 |
1 |
| Other owners | 3 |