- 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: 207
10-year publication summary
|
9
|
1
|
5
|
9
|
9
|
5
|
7
|
15
|
7
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips Electronics N.V. | 13133 |
42 |
| Philips Intellectual Property & Standards GmbH | 2395 |
26 |
| General Electric Company | 18133 |
16 |
| OSRAM GmbH | 2442 |
16 |
| Lumenlabs, LLC | 28 |
9 |
| Harison Toshiba Lighting Corp. | 48 |
6 |
| Osram AG | 305 |
5 |
| Ceravision Limited | 49 |
4 |
| KLA-Tencor Corporation | 2574 |
4 |
| Ushio Denki Kabushiki Kaisha | 1088 |
4 |
| Goodrich Corporation | 2081 |
3 |
| Hanovia Limited | 18 |
3 |
| Heraeus Noblelight GmbH | 233 |
3 |
| Lumileds LLC | 1827 |
3 |
| MB-Microtec AG | 43 |
3 |
| Signify Holding B.V. | 6837 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| The Boeing Company | 19843 |
2 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
2 |
| Cymer, LLC | 347 |
2 |
| Other owners | 49 |