- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 29/94 - Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
Patent holdings for IPC class H01J 29/94
Total number of patents in this class: 22
10-year publication summary
0
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0
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1
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2
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0
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1
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0
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0
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0
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1
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
7 |
Massachusetts Institute of Technology | 9795 |
2 |
Toshiba Materials Co., Ltd. | 600 |
2 |
E. I. du Pont de Nemours and Company | 4345 |
1 |
Honeywell International Inc. | 13799 |
1 |
Panasonic Corporation | 20786 |
1 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
Brown University | 576 |
1 |
IPG Photonics Corporation | 494 |
1 |
LightLab Sweden AB | 39 |
1 |
Nanyang Technological University | 1739 |
1 |
SAES Getters S.p.A. | 338 |
1 |
Siemens Concentrated Solar Power Ltd. | 49 |
1 |
Alvatec Alkali Vacuum Technologies GmbH | 8 |
1 |
Other owners | 0 |