- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 49/00 - Particle spectrometers or separator tubes
Patent holdings for IPC class H01J 49/00
Total number of patents in this class: 5141
10-year publication summary
|
451
|
409
|
360
|
409
|
368
|
401
|
364
|
339
|
276
|
272
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1115 |
634 |
| DH Technologies Development Pte. Ltd. | 1135 |
486 |
| Shimadzu Corporation | 6232 |
385 |
| Thermo Fisher Scientific (Bremen) GmbH | 599 |
272 |
| Thermo Finnigan LLC | 645 |
265 |
| Purdue Research Foundation | 3726 |
140 |
| Bruker Daltonics GmbH & Co. KG | 444 |
120 |
| Quest Diagnostics Investments Incorporated | 403 |
89 |
| Waters Technologies Corporation | 1746 |
78 |
| Agilent Technologies, Inc. | 2644 |
70 |
| Hitachi High-Tech Corporation | 5468 |
61 |
| Leco Corporation | 201 |
57 |
| Battelle Memorial Institute | 2508 |
43 |
| Bruker Scientific LLC | 78 |
42 |
| Smiths Detection-Watford Limited | 198 |
36 |
| PerkinElmer U.S. LLC | 285 |
36 |
| Roche Diagnostics Operations, Inc. | 1508 |
34 |
| JEOL Ltd. | 602 |
34 |
| The Trustees of Indiana University | 774 |
33 |
| Elemental Scientific, Inc. | 280 |
29 |
| Other owners | 2197 |