- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/82 - Lamps with high-pressure unconstricted discharge
Patent holdings for IPC class H01J 61/82
Total number of patents in this class: 161
10-year publication summary
|
4
|
5
|
8
|
3
|
3
|
2
|
1
|
2
|
1
|
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. | 8689 |
34 |
| OSRAM GmbH | 2353 |
31 |
| General Electric Company | 13827 |
23 |
| Philips Intellectual Property & Standards GmbH | 1813 |
18 |
| Osram AG | 292 |
6 |
| Koninklijke Philips N.V. | 25186 |
5 |
| Allstate Garden Supply | 9 |
5 |
| LEDVANCE GmbH | 586 |
4 |
| OSRAM SYLVANIA Inc. | 675 |
3 |
| Auralight International AB | 9 |
3 |
| Lumartix SA | 5 |
3 |
| Lumileds LLC | 729 |
3 |
| Hanovia Limited | 20 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3538 |
1 |
| Panasonic Corporation | 19937 |
1 |
| Seiko Epson Corporation | 19708 |
1 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 36 |
1 |
| Northwestern University | 3465 |
1 |
| Ceravision Limited | 42 |
1 |
| Coretronic Corporation | 1310 |
1 |
| Other owners | 14 |