- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/35 - Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
Patent holdings for IPC class H01J 61/35
Total number of patents in this class: 217
10-year publication summary
|
9
|
9
|
10
|
7
|
10
|
3
|
2
|
7
|
8
|
3
|
| 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 |
32 |
| Philips Intellectual Property & Standards GmbH | 2395 |
20 |
| OSRAM GmbH | 2442 |
18 |
| General Electric Company | 18133 |
10 |
| Ushio Denki Kabushiki Kaisha | 1088 |
9 |
| Excelitas Technologies Corp. | 290 |
7 |
| Panasonic Corporation | 20786 |
6 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
6 |
| Honeywell International Inc. | 13799 |
4 |
| LightLab Sweden AB | 39 |
4 |
| Koninklijke Philips N.V. | 22975 |
3 |
| ASML Netherlands B.V. | 6816 |
3 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 166 |
3 |
| Hamamatsu Photonics K.K. | 4161 |
3 |
| OSRAM SYLVANIA Inc. | 742 |
3 |
| Heraeus Noblelight GmbH | 233 |
3 |
| LEDVANCE GmbH | 564 |
3 |
| Lumileds LLC | 1827 |
3 |
| MB-Microtec AG | 43 |
3 |
| Teslo Pty Ltd | 4 |
3 |
| Other owners | 71 |