- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/077 - Electron guns using discharge in gases or vapours as electron sources
Patent holdings for IPC class H01J 37/077
Total number of patents in this class: 35
10-year publication summary
|
5
|
0
|
1
|
0
|
2
|
0
|
2
|
2
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 18565 |
6 |
| Organic Spintronics S.r.l. | 5 |
3 |
| The Welding Institute | 31 |
3 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6112 |
3 |
| FEI Company | 944 |
2 |
| Toshiba Corporation | 12326 |
1 |
| Wisconsin Alumni Research Foundation | 3874 |
1 |
| Lam Research Corporation | 5222 |
1 |
| Battelle Memorial Institute | 2480 |
1 |
| Arcam AB | 202 |
1 |
| Axcelis Technologies, Inc. | 408 |
1 |
| Camvac Limited | 7 |
1 |
| Canon Anelva Corporation | 686 |
1 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1292 |
1 |
| ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 158 |
1 |
| Noivion S.r.l. | 1 |
1 |
| Nordiko Technical Services Limited | 9 |
1 |
| University of Washington | 2322 |
1 |
| Plasma APP Ltd. | 3 |
1 |
| Toshiba Energy Systems & Solutions Corp. | 1076 |
1 |
| Other owners | 3 |