- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 41/12 - Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
Patent holdings for IPC class H01J 41/12
Total number of patents in this class: 53
10-year publication summary
5
|
5
|
9
|
4
|
1
|
6
|
5
|
8
|
5
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ColdQuanta, Inc., AKA ColdQuanta | 142 |
8 |
Hamilton Sundstrand Corporation | 4525 |
7 |
SAES Getters S.p.A. | 338 |
5 |
Edwards Vacuum LLC | 155 |
4 |
Agilent Technologies, Inc. | 2744 |
3 |
National Institute of Information and Communications Technology | 594 |
3 |
ASML Netherlands B.V. | 6816 |
2 |
The Regents of the University of California | 18943 |
1 |
Merck Patent GmbH | 5909 |
1 |
Hitachi High-Technologies Corporation | 2034 |
1 |
Denso Corporation | 23338 |
1 |
Mitsubishi Electric Corporation | 43934 |
1 |
Tokyo Electron Limited | 11599 |
1 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
ALIS Corporation | 36 |
1 |
AOSense, Inc. | 29 |
1 |
Helion Energy, Inc. | 29 |
1 |
Pfeiffer Vacuum GmbH | 85 |
1 |
Soken Inc. | 211 |
1 |
SRI International | 974 |
1 |
Other owners | 8 |