- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 9/34 - Joining base to vessel
Patent holdings for IPC class H01J 9/34
Total number of patents in this class: 19
10-year publication summary
|
1
|
2
|
2
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2442 |
5 |
| Koninklijke Philips Electronics N.V. | 13133 |
3 |
| General Electric Company | 18133 |
2 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 166 |
2 |
| Philips Intellectual Property & Standards GmbH | 2395 |
2 |
| Hewlett-Packard Development Company, L.P. | 28538 |
1 |
| Airbus Defence and Space GmbH | 886 |
1 |
| e Ink Holdings Inc. | 571 |
1 |
| Philips Lighting Holding B.V. | 1437 |
1 |
| Signify Holding B.V. | 6837 |
1 |
| Other owners | 0 |