- 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: 4931
10-year publication summary
|
457
|
417
|
365
|
416
|
373
|
399
|
365
|
334
|
272
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1118 |
630 |
| DH Technologies Development Pte. Ltd. | 1052 |
437 |
| Shimadzu Corporation | 5987 |
357 |
| Thermo Finnigan LLC | 639 |
261 |
| Thermo Fisher Scientific (Bremen) GmbH | 555 |
253 |
| Purdue Research Foundation | 3472 |
136 |
| Bruker Daltonics GmbH & Co. KG | 435 |
113 |
| Quest Diagnostics Investments Incorporated | 427 |
98 |
| Waters Technologies Corporation | 1678 |
78 |
| Agilent Technologies, Inc. | 2684 |
67 |
| Hitachi High-Tech Corporation | 5014 |
63 |
| Leco Corporation | 201 |
58 |
| Battelle Memorial Institute | 2413 |
42 |
| Bruker Scientific LLC | 75 |
41 |
| PerkinElmer U.S. LLC | 302 |
38 |
| Smiths Detection-Watford Limited | 198 |
36 |
| JEOL Ltd. | 561 |
34 |
| The Trustees of Indiana University | 690 |
30 |
| Roche Diagnostics Operations, Inc. | 1430 |
29 |
| Elemental Scientific, Inc. | 260 |
29 |
| Other owners | 2101 |