- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/12 - Selection of substances for gas fillings; Specified operating pressure or temperature
Patent holdings for IPC class H01J 61/12
Total number of patents in this class: 188
10-year publication summary
|
1
|
5
|
9
|
9
|
5
|
7
|
15
|
7
|
9
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips Electronics N.V. | 10844 |
34 |
| Philips Intellectual Property & Standards GmbH | 2112 |
20 |
| OSRAM GmbH | 2412 |
16 |
| General Electric Company | 17789 |
14 |
| Lumenlabs, LLC | 28 |
9 |
| Osram AG | 302 |
5 |
| Harison Toshiba Lighting Corp. | 43 |
5 |
| KLA Corporation | 1402 |
5 |
| KLA-Tencor Corporation | 2550 |
4 |
| MB-Microtec AG | 47 |
4 |
| Ushio Denki Kabushiki Kaisha | 1141 |
4 |
| Ceravision Limited | 45 |
3 |
| Goodrich Corporation | 2089 |
3 |
| Lumileds LLC | 1884 |
3 |
| Signify Holding B.V. | 7237 |
3 |
| Samsung Electronics Co., Ltd. | 139001 |
2 |
| The Boeing Company | 19911 |
2 |
| Cymer, LLC | 361 |
2 |
| Hamamatsu Photonics K.K. | 4304 |
2 |
| OSRAM SYLVANIA Inc. | 702 |
2 |
| Other owners | 46 |