- 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: 5195
10-year publication summary
|
409
|
360
|
409
|
368
|
401
|
365
|
340
|
273
|
292
|
57
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1132 |
641 |
| DH Technologies Development Pte. Ltd. | 1154 |
495 |
| Shimadzu Corporation | 6302 |
390 |
| Thermo Fisher Scientific (Bremen) GmbH | 612 |
274 |
| Thermo Finnigan LLC | 644 |
265 |
| Purdue Research Foundation | 3824 |
141 |
| Bruker Daltonics GmbH & Co. KG | 451 |
119 |
| Quest Diagnostics Investments Incorporated | 396 |
90 |
| Waters Technologies Corporation | 1771 |
78 |
| Agilent Technologies, Inc. | 2647 |
72 |
| Hitachi High-Tech Corporation | 5627 |
61 |
| Leco Corporation | 200 |
57 |
| Battelle Memorial Institute | 2548 |
43 |
| Bruker Scientific LLC | 78 |
42 |
| Smiths Detection-Watford Limited | 204 |
36 |
| PerkinElmer U.S. LLC | 279 |
35 |
| Roche Diagnostics Operations, Inc. | 1504 |
34 |
| JEOL Ltd. | 614 |
34 |
| The Trustees of Indiana University | 800 |
33 |
| Elemental Scientific, Inc. | 285 |
31 |
| Other owners | 2224 |