- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 7/24 - Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
Patent holdings for IPC class H01J 7/24
Total number of patents in this class: 419
10-year publication summary
|
35
|
31
|
21
|
13
|
17
|
18
|
7
|
1
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 16587 |
27 |
| Lam Research Corporation | 4775 |
23 |
| Tokyo Electron Limited | 11599 |
19 |
| ASM America, Inc. | 120 |
9 |
| Reno Sub-systems, Inc. | 63 |
9 |
| Varian Semiconductor Equipment Associates, Inc. | 1282 |
8 |
| AES Global Holdings, Pte. Ltd. | 139 |
8 |
| MKS Instruments, Inc. | 698 |
7 |
| Plasmology4, Inc. | 46 |
7 |
| Shine Technologies, LLC | 92 |
7 |
| Cold Plasma Medical Technologies, Inc. | 15 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| New Power Plasma Co., Ltd. | 33 |
5 |
| Old Dominion University Research Foundation | 122 |
5 |
| Ushio Denki Kabushiki Kaisha | 1088 |
5 |
| Signify Holding B.V. | 6837 |
5 |
| Industrial Technology Research Institute | 4898 |
4 |
| The Regents of the University of California | 18943 |
3 |
| Panasonic Corporation | 20786 |
3 |
| Electronics and Telecommunications Research Institute | 8830 |
3 |
| Other owners | 251 |