- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/34 - Double-wall vessels or containers
Patent holdings for IPC class H01J 61/34
Total number of patents in this class: 197
10-year publication summary
|
5
|
6
|
11
|
3
|
0
|
2
|
4
|
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. | 10844 |
33 |
| OSRAM GmbH | 2412 |
21 |
| Philips Intellectual Property & Standards GmbH | 2112 |
18 |
| General Electric Company | 17789 |
17 |
| Osram AG | 302 |
11 |
| Iwasaki Electric Co., Ltd. | 150 |
11 |
| Koninklijke Philips N.V. | 23999 |
6 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 134 |
6 |
| Allstate Garden Supply | 9 |
5 |
| Panasonic Corporation | 20315 |
4 |
| Matsushita Electric Industrial Co., Ltd. | 2826 |
4 |
| LEDVANCE GmbH | 570 |
4 |
| Harison Toshiba Lighting Corp. | 43 |
3 |
| Heraeus Noblelight GmbH | 176 |
3 |
| Lumileds LLC | 1884 |
3 |
| Langsim Optoelectronic Technologies (Guangdong) Limited | 7 |
3 |
| ASML Netherlands B.V. | 7171 |
2 |
| OSRAM SYLVANIA Inc. | 702 |
2 |
| LightLab Sweden AB | 39 |
2 |
| Photoscience Japan Corporation | 21 |
2 |
| Other owners | 37 |