- 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: 215
10-year publication summary
|
7
|
5
|
6
|
11
|
3
|
0
|
2
|
4
|
2
|
1
|
| 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 |
43 |
| Philips Intellectual Property & Standards GmbH | 2395 |
22 |
| OSRAM GmbH | 2442 |
21 |
| General Electric Company | 18133 |
17 |
| Osram AG | 305 |
11 |
| Iwasaki Electric Co., Ltd. | 151 |
11 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
6 |
| Koninklijke Philips N.V. | 22975 |
6 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 166 |
6 |
| Allstate Garden Supply | 9 |
5 |
| Panasonic Corporation | 20786 |
4 |
| LEDVANCE GmbH | 564 |
4 |
| Lumileds LLC | 1827 |
4 |
| Harison Toshiba Lighting Corp. | 48 |
3 |
| Heraeus Noblelight GmbH | 233 |
3 |
| Langsim Optoelectronic Technologies (Guangdong) Limited | 7 |
3 |
| ASML Netherlands B.V. | 6816 |
2 |
| OSRAM SYLVANIA Inc. | 742 |
2 |
| LightLab Sweden AB | 39 |
2 |
| Photoscience Japan Corporation | 21 |
2 |
| Other owners | 38 |