- 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: 2642
10-year publication summary
|
180
|
202
|
257
|
227
|
253
|
182
|
188
|
172
|
118
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1134 |
217 |
| DH Technologies Development Pte. Ltd. | 1146 |
191 |
| Shimadzu Corporation | 6289 |
176 |
| Purdue Research Foundation | 3805 |
114 |
| Hamamatsu Photonics K.K. | 4584 |
85 |
| Thermo Fisher Scientific (Bremen) GmbH | 612 |
85 |
| Elemental Scientific, Inc. | 282 |
68 |
| Thermo Finnigan LLC | 644 |
59 |
| Bruker Daltonics GmbH & Co. KG | 449 |
49 |
| Hitachi High-Tech Corporation | 5596 |
41 |
| UT-Battelle, LLC | 1495 |
38 |
| Bruker Scientific LLC | 78 |
35 |
| Agilent Technologies, Inc. | 2653 |
34 |
| Standard Biotools Canada Inc. | 95 |
28 |
| Board of Regents, The University of Texas System | 6028 |
20 |
| PerkinElmer U.S. LLC | 282 |
19 |
| The Regents of the University of California | 20447 |
17 |
| Labcyte Inc. | 93 |
17 |
| Nuctech Company Limited | 1438 |
17 |
| Fluidigm Canada Inc. | 53 |
16 |
| Other owners | 1316 |