- All sections
- H - Electricity
- H01P - Waveguidesresonators, lines or other devices of the waveguide type
- H01P 1/39 - Hollow waveguide circulators
Patent holdings for IPC class H01P 1/39
Total number of patents in this class: 48
10-year publication summary
|
1
|
6
|
3
|
0
|
1
|
4
|
3
|
2
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honeywell International Inc. | 12778 |
18 |
| Apollo Microwaves, Ltd. | 7 |
3 |
| Raytheon Canada Limited | 132 |
2 |
| ZTE Corporation | 44170 |
2 |
| Aviat U.S., Inc. | 206 |
2 |
| Skyworks Solutions, Inc. | 3950 |
2 |
| Cobham Microwave | 2 |
2 |
| NEC Corporation | 37004 |
1 |
| EMS Technologies, Inc. | 21 |
1 |
| Johnson Living Trust Dated February 14, 2006 | 1 |
1 |
| Sichuan University | 627 |
1 |
| SPC Electronics Corporation | 2 |
1 |
| Universal Microwave Technology, Inc. | 14 |
1 |
| Valorbec Societe en Commandite | 37 |
1 |
| Ampas GmbH | 2 |
1 |
| Raytheon Canada Limited, aka Raytheon ELCAN | 67 |
1 |
| Institute of High Energy Physics, Chinese Academy of Sciences (cas) | 20 |
1 |
| Spallation Neutron Source Science Center | 19 |
1 |
| Millimeter Wave Systems, LLC | 4 |
1 |
| Chengdu Lingyi Communication Technology Co., Ltd. | 1 |
1 |
| Other owners | 4 |