- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 49/26 - Mass spectrometers or separator tubes
Patent holdings for IPC class H01J 49/26
Total number of patents in this class: 1577
10-year publication summary
|
74
|
110
|
101
|
81
|
89
|
56
|
47
|
52
|
34
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DH Technologies Development Pte. Ltd. | 1171 |
143 |
| Shimadzu Corporation | 6337 |
106 |
| Micromass UK Limited | 1122 |
97 |
| Thermo Finnigan LLC | 641 |
54 |
| Thermo Fisher Scientific (Bremen) GmbH | 624 |
46 |
| Purdue Research Foundation | 3913 |
45 |
| Agilent Technologies, Inc. | 2637 |
41 |
| Bruker Daltonics GmbH & Co. KG | 456 |
40 |
| Quest Diagnostics Investments Incorporated | 393 |
30 |
| Hitachi High-Tech Corporation | 5819 |
29 |
| Waters Technologies Corporation | 1795 |
18 |
| Battelle Memorial Institute | 2603 |
17 |
| Hamamatsu Photonics K.K. | 4669 |
16 |
| The Trustees of Indiana University | 825 |
16 |
| Hitachi High-Technologies Corporation | 1987 |
15 |
| Nuctech Company Limited | 1477 |
15 |
| PerkinElmer Health Sciences Canada, Inc. | 37 |
13 |
| California Institute of Technology | 4043 |
12 |
| Korea Basic Science Institute | 325 |
12 |
| PerkinElmer U.S. LLC | 273 |
12 |
| Other owners | 800 |