- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 49/44 - Energy spectrometers, e.g. alpha-, beta-spectrometers
Patent holdings for IPC class H01J 49/44
Total number of patents in this class: 58
10-year publication summary
|
2
|
4
|
3
|
3
|
4
|
10
|
2
|
0
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shimadzu Corporation | 6036 |
6 |
| Scienta Omicron AB | 20 |
4 |
| ExxonMobil Research And Engineering Company | 2654 |
3 |
| FEI Company | 898 |
3 |
| Micromass UK Limited | 1120 |
3 |
| Agilent Technologies, Inc. | 2683 |
2 |
| Thermo Finnigan LLC | 640 |
2 |
| JEOL Ltd. | 562 |
2 |
| The Trustees of Indiana University | 698 |
2 |
| General Electric Company | 17800 |
1 |
| Hitachi High-Technologies Corporation | 2017 |
1 |
| Applied Materials, Inc. | 17808 |
1 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40717 |
1 |
| The Johns Hopkins University | 5540 |
1 |
| Appfive LLC | 3 |
1 |
| Atonarp Inc | 113 |
1 |
| Biodesix, Inc. | 114 |
1 |
| Gatan, Inc. | 107 |
1 |
| IHI Corporation | 3367 |
1 |
| Ilika Technologies Ltd | 66 |
1 |
| Other owners | 20 |