- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 17/18 - Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
Patent holdings for IPC class H01J 17/18
Total number of patents in this class: 44
10-year publication summary
|
1
|
2
|
2
|
0
|
1
|
1
|
1
|
2
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20786 |
4 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
4 |
| Bourns, Inc. | 171 |
4 |
| Ushio Denki Kabushiki Kaisha | 1088 |
3 |
| LG Electronics Inc. | 69257 |
2 |
| Au Optronics Corporation | 3880 |
2 |
| OSRAM GmbH | 2442 |
2 |
| Osram AG | 305 |
2 |
| Ledvance LLC | 336 |
2 |
| Shenzhen Bencent Electronics Co., Ltd. | 16 |
2 |
| Halliburton Energy Services, Inc. | 20165 |
1 |
| Asahi Glass Company, Limited | 2985 |
1 |
| Toray Industries, Inc. | 6652 |
1 |
| OSRAM SYLVANIA Inc. | 742 |
1 |
| Axcelis Technologies, Inc. | 429 |
1 |
| Excelitas Technologies Corp. | 290 |
1 |
| Hitachi Powdered Metals Co., Ltd. | 16 |
1 |
| LEDVANCE GmbH | 564 |
1 |
| Lumileds LLC | 1827 |
1 |
| Nippon Electric Glass Co., Ltd. | 2299 |
1 |
| Other owners | 7 |