- 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: 35
10-year publication summary
|
3
|
2
|
5
|
4
|
3
|
1
|
5
|
2
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MKS Instruments, Inc. | 698 |
10 |
| Canon Anelva Corporation | 676 |
5 |
| INFICON AG | 20 |
4 |
| INFICON GmbH | 59 |
3 |
| INFICON GmbH | 209 |
2 |
| INFICON Holding AG | 164 |
2 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
1 |
| Hitachi High-Technologies Corporation | 2034 |
1 |
| Tsinghua University | 5426 |
1 |
| Edwards Limited | 764 |
1 |
| Edwards Vacuum LLC | 155 |
1 |
| INFICON, Inc. | 66 |
1 |
| Keysight Technologies, Inc. | 1170 |
1 |
| Saint-Gobain Glass France | 3641 |
1 |
| Chemring Sensors and Electronic Systems, Inc. | 39 |
1 |
| Other owners | 0 |