- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 17/20 - Selection of substances for gas fillingsSpecified operating pressures or temperatures
Patent holdings for IPC class H01J 17/20
Total number of patents in this class: 22
10-year publication summary
|
0
|
0
|
2
|
2
|
0
|
0
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lumileds LLC | 713 |
3 |
| Shinoda Plasma Co., Ltd. | 20 |
2 |
| Ushio Denki Kabushiki Kaisha | 1189 |
2 |
| General Electric Company | 13827 |
1 |
| Toshiba Corporation | 12397 |
1 |
| Panasonic Corporation | 20059 |
1 |
| Hitachi, Ltd. | 15537 |
1 |
| Industrial Technology Research Institute | 5082 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31756 |
1 |
| Massachusetts Institute of Technology | 10093 |
1 |
| Hamamatsu Photonics K.K. | 4441 |
1 |
| College of William and Mary | 24 |
1 |
| Koto Electric Co., Ltd. | 8 |
1 |
| Lumex Instruments Limited | 12 |
1 |
| ORC Manufacturing Co., Ltd. | 68 |
1 |
| GE Infrastructure Technology, LLC | 6247 |
1 |
| Toshiba Energy Systems & Solutions Corp. | 1086 |
1 |
| Excelitas Noblelight GmbH | 99 |
1 |
| Other owners | 0 |