- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 1/14 - Solid thermionic cathodes characterised by the material
Patent holdings for IPC class H01J 1/14
Total number of patents in this class: 61
10-year publication summary
|
3
|
5
|
5
|
2
|
3
|
3
|
1
|
3
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 8019 |
5 |
| Applied Physics Technologies, Inc. | 15 |
3 |
| Hon Hai Precision Industry Co., Ltd. | 4019 |
2 |
| Tsinghua University | 6248 |
2 |
| NuFlare Technology, Inc. | 928 |
2 |
| Toshiba Materials Co., Ltd. | 560 |
2 |
| The University of Bristol | 265 |
2 |
| AES Global Holdings, Pte. Ltd. | 406 |
2 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6170 |
2 |
| Engeniusmicro, LLC | 5 |
2 |
| Battelle Savannah River Alliance, LLC | 222 |
2 |
| Samsung Electronics Co., Ltd. | 159029 |
1 |
| General Electric Company | 13982 |
1 |
| Schlumberger Technology Corporation | 11940 |
1 |
| The Regents of the University of California | 20902 |
1 |
| E. I. du Pont de Nemours and Company | 3460 |
1 |
| Denso Corporation | 25746 |
1 |
| Infineon Technologies AG | 8419 |
1 |
| The Johns Hopkins University | 5938 |
1 |
| Astec International Limited | 41 |
1 |
| Other owners | 26 |