- 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: 66
10-year publication summary
|
3
|
5
|
3
|
5
|
5
|
2
|
3
|
3
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 6816 |
7 |
| Applied Physics Technologies, Inc. | 12 |
3 |
| General Electric Company | 18133 |
2 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
2 |
| Motorola, Inc. | 2873 |
2 |
| Tsinghua University | 5426 |
2 |
| Colorado State University Research Foundation | 675 |
2 |
| NuFlare Technology, Inc. | 770 |
2 |
| Toshiba Materials Co., Ltd. | 600 |
2 |
| The University of Bristol | 237 |
2 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
2 |
| Battelle Savannah River Alliance, LLC | 192 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Schlumberger Technology Corporation | 9690 |
1 |
| The Regents of the University of California | 18943 |
1 |
| E. I. du Pont de Nemours and Company | 4345 |
1 |
| Denso Corporation | 23338 |
1 |
| Koninklijke Philips Electronics N.V. | 13133 |
1 |
| Infineon Technologies AG | 8189 |
1 |
| The Johns Hopkins University | 5377 |
1 |
| Other owners | 28 |