- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 19/00 - Amplifiers using superconductivity effects
Patent holdings for IPC class H03F 19/00
Total number of patents in this class: 150
10-year publication summary
|
2
|
7
|
18
|
19
|
22
|
17
|
22
|
10
|
13
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| International Business Machines Corporation | 60129 |
49 |
| IBM United Kingdom Limited | 4385 |
11 |
| Google LLC | 40853 |
10 |
| Yale University | 2289 |
7 |
| Psiquantum, Corp. | 362 |
7 |
| Microsoft Technology Licensing, LLC | 52886 |
5 |
| Northrop Grumman Systems Corporation | 2921 |
3 |
| Teknologian Tutkimuskeskus VTT | 247 |
3 |
| Teknologian Tutkimuskeskus VTT Oy | 501 |
3 |
| Tencent Technology (Shenzhen) Company Limited | 14058 |
3 |
| Rambus Inc. | 2329 |
2 |
| Government of The United States of America, AS represented by The Secretary of Commerce, The National Institute of Standards and Technology | 233 |
2 |
| Newsouth Innovations Pty Limited | 590 |
2 |
| Oxford University Innovation Limited | 1493 |
2 |
| The University of Adelaide | 144 |
2 |
| University of Massachusetts | 2191 |
2 |
| IBM (China) Investment Co Ltd | 2039 |
2 |
| IBM Deutschland GmbH | 716 |
2 |
| Seeqc,inc. | 82 |
2 |
| Iqm Finland Oy | 152 |
2 |
| Other owners | 29 |