- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 29/56 - Arrangements for controlling cross-section of ray or beamArrangements for correcting aberration of beam, e.g. due to lenses
Patent holdings for IPC class H01J 29/56
Total number of patents in this class: 12
10-year publication summary
|
4
|
0
|
2
|
0
|
1
|
1
|
0
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IMG Altair LLC | 4 |
2 |
| Massachusetts Institute of Technology | 10190 |
1 |
| ASML Netherlands B.V. | 7689 |
1 |
| Advantest Corporation | 1727 |
1 |
| Altair Technologies, Inc. | 2 |
1 |
| Intelligent Virus Imaging Inc. | 35 |
1 |
| Varian Medical Systems, Inc. | 890 |
1 |
| Ariel Scientific Innovations Ltd | 235 |
1 |
| Hermes Microvision Incorporated B.V. | 123 |
1 |
| Guilin THD Technology Co., Ltd | 4 |
1 |
| Infovion Co., Ltd. | 4 |
1 |
| Other owners | 0 |