- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 41/06 - Discharge tubes and means integral therewith for measuring gas pressure with ionisation by means of cold cathodes
Patent holdings for IPC class H01J 41/06
Total number of patents in this class: 34
10-year publication summary
|
2
|
5
|
4
|
3
|
1
|
5
|
2
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MKS Instruments, Inc. | 644 |
10 |
| Canon Anelva Corporation | 683 |
5 |
| INFICON AG | 25 |
4 |
| INFICON GmbH | 41 |
2 |
| INFICON, Inc. | 82 |
2 |
| INFICON Holding AG | 180 |
2 |
| Hon Hai Precision Industry Co., Ltd. | 4031 |
1 |
| Hitachi High-Technologies Corporation | 1998 |
1 |
| Tsinghua University | 5966 |
1 |
| Edwards Limited | 790 |
1 |
| Edwards Vacuum LLC | 180 |
1 |
| INFICON GmbH | 216 |
1 |
| Keysight Technologies, Inc. | 1202 |
1 |
| Saint-Gobain Glass France | 3249 |
1 |
| Chemring Sensors and Electronic Systems, Inc. | 20 |
1 |
| Other owners | 0 |