- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 7/24 - Cooling arrangementsHeating arrangementsMeans for circulating gas or vapour within the discharge space
Patent holdings for IPC class H01J 7/24
Total number of patents in this class: 383
10-year publication summary
|
31
|
21
|
13
|
17
|
18
|
7
|
1
|
3
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 18621 |
28 |
| Lam Research Corporation | 5239 |
20 |
| Tokyo Electron Limited | 12712 |
17 |
| ASM America, Inc. | 119 |
9 |
| Reno Sub-systems, Inc. | 61 |
9 |
| AES Global Holdings, Pte. Ltd. | 342 |
8 |
| Varian Semiconductor Equipment Associates, Inc. | 1231 |
7 |
| Plasmology4, Inc. | 47 |
7 |
| Shine Technologies, LLC | 138 |
7 |
| Cold Plasma Medical Technologies, Inc. | 15 |
6 |
| MKS Instruments, Inc. | 652 |
6 |
| Samsung Electronics Co., Ltd. | 146092 |
5 |
| Old Dominion University Research Foundation | 123 |
5 |
| Ushio Denki Kabushiki Kaisha | 1178 |
5 |
| Signify Holding B.V. | 7551 |
5 |
| Industrial Technology Research Institute | 5086 |
4 |
| Samsung Display Co., Ltd. | 34696 |
3 |
| Panasonic Corporation | 20110 |
3 |
| Axcelis Technologies, Inc. | 409 |
3 |
| Daihen Corporation | 462 |
3 |
| Other owners | 223 |