- 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 locks; Arrangements for external adjustment of electron- or ion-optical components
Patent holdings for IPC class H01J 49/04
Total number of patents in this class: 2500
10-year publication summary
|
206
|
216
|
191
|
209
|
267
|
240
|
264
|
181
|
184
|
42
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1121 |
220 |
| Shimadzu Corporation | 5791 |
164 |
| DH Technologies Development Pte. Ltd. | 938 |
153 |
| Purdue Research Foundation | 3277 |
109 |
| Thermo Fisher Scientific (Bremen) GmbH | 496 |
78 |
| Hamamatsu Photonics K.K. | 4161 |
75 |
| Thermo Finnigan LLC | 625 |
61 |
| Elemental Scientific, Inc. | 255 |
58 |
| Bruker Daltonics GmbH & Co. KG | 440 |
45 |
| UT-Battelle, LLC | 1333 |
39 |
| Hitachi High-Tech Corporation | 4424 |
38 |
| Bruker Scientific LLC | 74 |
32 |
| Agilent Technologies, Inc. | 2744 |
28 |
| PerkinElmer Health Sciences Canada, Inc. | 67 |
26 |
| Standard Biotools Canada Inc. | 69 |
24 |
| PerkinElmer U.S. LLC | 312 |
22 |
| PerkinElmer Scientific Canada ULC | 59 |
19 |
| Board of Regents, The University of Texas System | 5370 |
18 |
| Nuctech Company Limited | 1275 |
18 |
| Fluidigm Canada Inc. | 53 |
16 |
| Other owners | 1257 |