- 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: 176
10-year publication summary
|
1
|
4
|
8
|
8
|
5
|
8
|
15
|
7
|
9
|
3
|
| 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. | 9375 |
28 |
| Philips Intellectual Property & Standards GmbH | 1886 |
18 |
| OSRAM GmbH | 2383 |
16 |
| General Electric Company | 13845 |
13 |
| Lumenlabs, LLC | 29 |
9 |
| Osram AG | 301 |
5 |
| KLA Corporation | 1603 |
5 |
| KLA-Tencor Corporation | 2544 |
4 |
| MB-Microtec AG | 49 |
4 |
| Ushio Denki Kabushiki Kaisha | 1190 |
4 |
| The Boeing Company | 20117 |
3 |
| Goodrich Corporation | 2141 |
3 |
| Harison Toshiba Lighting Corp. | 34 |
3 |
| Lumileds LLC | 714 |
3 |
| Signify Holding B.V. | 7603 |
3 |
| Samsung Electronics Co., Ltd. | 147501 |
2 |
| Cymer, LLC | 389 |
2 |
| Hamamatsu Photonics K.K. | 4446 |
2 |
| OSRAM SYLVANIA Inc. | 679 |
2 |
| Ceravision Limited | 42 |
2 |
| Other owners | 45 |