- 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. | 9431 |
28 |
Philips Intellectual Property & Standards GmbH | 1897 |
18 |
OSRAM GmbH | 2383 |
16 |
General Electric Company | 13827 |
13 |
Lumenlabs, LLC | 29 |
9 |
Osram AG | 301 |
5 |
KLA Corporation | 1598 |
5 |
KLA-Tencor Corporation | 2544 |
4 |
MB-Microtec AG | 49 |
4 |
Ushio Denki Kabushiki Kaisha | 1189 |
4 |
The Boeing Company | 20098 |
3 |
Goodrich Corporation | 2137 |
3 |
Harison Toshiba Lighting Corp. | 34 |
3 |
Lumileds LLC | 713 |
3 |
Signify Holding B.V. | 7598 |
3 |
Samsung Electronics Co., Ltd. | 147334 |
2 |
Cymer, LLC | 389 |
2 |
Hamamatsu Photonics K.K. | 4441 |
2 |
OSRAM SYLVANIA Inc. | 679 |
2 |
Ceravision Limited | 42 |
2 |
Other owners | 45 |