- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/12 - Selection of substances for gas fillingsSpecified operating pressure or temperature
Patent holdings for IPC class H01J 61/12
Total number of patents in this class: 168
10-year publication summary
|
5
|
9
|
9
|
5
|
8
|
15
|
7
|
9
|
4
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips Electronics N.V. | 7211 |
26 |
| Philips Intellectual Property & Standards GmbH | 1580 |
17 |
| OSRAM GmbH | 2189 |
14 |
| General Electric Company | 13966 |
11 |
| Lumenlabs, LLC | 29 |
9 |
| Osram AG | 286 |
5 |
| Ushio Denki Kabushiki Kaisha | 1210 |
5 |
| KLA Corporation | 1874 |
5 |
| KLA-Tencor Corporation | 2517 |
4 |
| MB-Microtec AG | 50 |
4 |
| The Boeing Company | 20197 |
3 |
| Goodrich Corporation | 2179 |
3 |
| Harison Toshiba Lighting Corp. | 27 |
3 |
| Lumileds LLC | 790 |
3 |
| ORC Manufacturing Co., Ltd. | 76 |
3 |
| Samsung Electronics Co., Ltd. | 158842 |
2 |
| Cymer, LLC | 416 |
2 |
| Hamamatsu Photonics K.K. | 4703 |
2 |
| OSRAM SYLVANIA Inc. | 625 |
2 |
| Ceravision Limited | 41 |
2 |
| Other owners | 43 |