- 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: 5296
10-year publication summary
|
417
|
365
|
416
|
373
|
404
|
369
|
347
|
276
|
294
|
175
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1129 |
646 |
| DH Technologies Development Pte. Ltd. | 1188 |
514 |
| Shimadzu Corporation | 6380 |
398 |
| Thermo Fisher Scientific (Bremen) GmbH | 640 |
289 |
| Thermo Finnigan LLC | 649 |
266 |
| Purdue Research Foundation | 3986 |
144 |
| Bruker Daltonics GmbH & Co. KG | 464 |
123 |
| Quest Diagnostics Investments Incorporated | 388 |
91 |
| Waters Technologies Corporation | 1803 |
78 |
| Agilent Technologies, Inc. | 2648 |
72 |
| Hitachi High-Tech Corporation | 5995 |
63 |
| Leco Corporation | 198 |
57 |
| Battelle Memorial Institute | 2617 |
42 |
| Bruker Scientific LLC | 91 |
42 |
| Smiths Detection-Watford Limited | 199 |
36 |
| The Trustees of Indiana University | 848 |
35 |
| Roche Diagnostics Operations, Inc. | 1520 |
34 |
| JEOL Ltd. | 627 |
33 |
| PerkinElmer U.S. LLC | 273 |
33 |
| Elemental Scientific, Inc. | 296 |
32 |
| Other owners | 2268 |