- 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: 159
10-year publication summary
|
6
|
11
|
3
|
0
|
3
|
4
|
2
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips Electronics N.V. | 7590 |
24 |
| OSRAM GmbH | 2239 |
18 |
| General Electric Company | 13870 |
14 |
| Philips Intellectual Property & Standards GmbH | 1654 |
14 |
| Osram AG | 286 |
11 |
| Iwasaki Electric Co., Ltd. | 156 |
11 |
| Koninklijke Philips N.V. | 25731 |
6 |
| Allstate Garden Supply | 9 |
5 |
| LEDVANCE GmbH | 588 |
4 |
| Harison Toshiba Lighting Corp. | 28 |
3 |
| Lumileds LLC | 772 |
3 |
| Langsim Optoelectronic Technologies (Guangdong) Limited | 7 |
3 |
| Panasonic Corporation | 19171 |
2 |
| ASML Netherlands B.V. | 7864 |
2 |
| Heraeus Noblelight GmbH | 124 |
2 |
| Photoscience Japan Corporation | 23 |
2 |
| Sterilair AG | 7 |
2 |
| Toshiba Lighting & Technology Corporation | 227 |
2 |
| Ushio Denki Kabushiki Kaisha | 1204 |
2 |
| Xylem IP Management S.a.r.l. | 30 |
2 |
| Other owners | 27 |