- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 49/04 - Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locksArrangements for external adjustment of electron- or ion-optical components
Patent holdings for IPC class H01J 49/04
Total number of patents in this class: 2675
10-year publication summary
|
191
|
209
|
268
|
241
|
267
|
185
|
191
|
178
|
120
|
66
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1126 |
217 |
| DH Technologies Development Pte. Ltd. | 1185 |
197 |
| Shimadzu Corporation | 6373 |
178 |
| Purdue Research Foundation | 3950 |
115 |
| Thermo Fisher Scientific (Bremen) GmbH | 635 |
86 |
| Hamamatsu Photonics K.K. | 4703 |
85 |
| Elemental Scientific, Inc. | 294 |
70 |
| Thermo Finnigan LLC | 645 |
59 |
| Bruker Daltonics GmbH & Co. KG | 464 |
49 |
| Hitachi High-Tech Corporation | 5957 |
41 |
| UT-Battelle, LLC | 1523 |
38 |
| Bruker Scientific LLC | 79 |
35 |
| Agilent Technologies, Inc. | 2639 |
33 |
| Standard Biotools Canada Inc. | 101 |
29 |
| Board of Regents, The University of Texas System | 6161 |
20 |
| Labcyte Inc. | 95 |
17 |
| Nuctech Company Limited | 1478 |
17 |
| The Regents of the University of California | 20868 |
16 |
| Fluidigm Canada Inc. | 54 |
16 |
| Waters Technologies Corporation | 1800 |
16 |
| Other owners | 1341 |