- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/30 - Vessels; Containers
Patent holdings for IPC class H01J 61/30
Total number of patents in this class: 364
10-year publication summary
|
21
|
22
|
22
|
13
|
14
|
16
|
15
|
19
|
16
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2442 |
19 |
| Panasonic Corporation | 20786 |
18 |
| Koninklijke Philips Electronics N.V. | 13133 |
15 |
| General Electric Company | 18133 |
12 |
| Excelitas Technologies Corp. | 290 |
12 |
| KLA-Tencor Corporation | 2574 |
12 |
| Ushio Denki Kabushiki Kaisha | 1088 |
11 |
| Hamamatsu Photonics K.K. | 4161 |
8 |
| Saint-Gobain Glass France | 3641 |
8 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
7 |
| Philips Intellectual Property & Standards GmbH | 2395 |
7 |
| KLA Corporation | 1223 |
7 |
| Osram AG | 305 |
6 |
| Nippon Electric Glass Co., Ltd. | 2299 |
6 |
| SCHOTT AG | 1675 |
6 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 166 |
5 |
| NGK Insulators, Ltd. | 4589 |
5 |
| Ceravision Limited | 49 |
5 |
| Iwasaki Electric Co., Ltd. | 151 |
5 |
| Lumileds LLC | 1827 |
5 |
| Other owners | 185 |