- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/04 - ElectrodesScreensShields
Patent holdings for IPC class H01J 61/04
Total number of patents in this class: 66
10-year publication summary
|
1
|
2
|
3
|
6
|
1
|
4
|
4
|
4
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ushio Denki Kabushiki Kaisha | 1194 |
8 |
| NS Nanotech, Inc. | 11 |
5 |
| OSRAM GmbH | 2383 |
3 |
| KLA-Tencor Corporation | 2544 |
3 |
| ASML Netherlands B.V. | 7441 |
2 |
| The Board of Trustees of the University of Illinois | 2714 |
2 |
| Heraeus Noblelight GmbH | 129 |
2 |
| Mattson Technology, Inc. | 230 |
2 |
| Xylem IP Management S.a.r.l. | 34 |
2 |
| Langsim Optoelectronic Technologies (Guangdong) Limited | 7 |
2 |
| The Boeing Company | 20124 |
1 |
| Seiko Epson Corporation | 19556 |
1 |
| Koninklijke Philips Electronics N.V. | 9316 |
1 |
| Cymer, LLC | 389 |
1 |
| Hamamatsu Photonics K.K. | 4448 |
1 |
| Agency for Defense Development | 447 |
1 |
| CE Lighting Ltd. | 44 |
1 |
| EI LIGHTING Co., Ltd. | 8 |
1 |
| HL Display AB | 42 |
1 |
| ion Technology Solutions, LLC | 14 |
1 |
| Other owners | 25 |