- 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: 2594
10-year publication summary
|
217
|
191
|
209
|
268
|
241
|
266
|
183
|
187
|
173
|
76
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1118 |
216 |
| DH Technologies Development Pte. Ltd. | 1099 |
185 |
| Shimadzu Corporation | 6151 |
174 |
| Purdue Research Foundation | 3578 |
112 |
| Thermo Fisher Scientific (Bremen) GmbH | 582 |
85 |
| Hamamatsu Photonics K.K. | 4403 |
83 |
| Elemental Scientific, Inc. | 270 |
65 |
| Thermo Finnigan LLC | 637 |
63 |
| Bruker Daltonics GmbH & Co. KG | 442 |
47 |
| UT-Battelle, LLC | 1449 |
38 |
| Hitachi High-Tech Corporation | 5275 |
38 |
| Bruker Scientific LLC | 77 |
35 |
| Agilent Technologies, Inc. | 2634 |
31 |
| Standard Biotools Canada Inc. | 86 |
27 |
| Board of Regents, The University of Texas System | 5763 |
19 |
| PerkinElmer U.S. LLC | 286 |
19 |
| The Regents of the University of California | 19857 |
17 |
| Nuctech Company Limited | 1417 |
17 |
| PerkinElmer Health Sciences Canada, Inc. | 43 |
17 |
| Labcyte Inc. | 87 |
16 |
| Other owners | 1290 |