- 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: 5177
10-year publication summary
|
409
|
360
|
409
|
368
|
401
|
364
|
340
|
275
|
291
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1128 |
641 |
| DH Technologies Development Pte. Ltd. | 1144 |
490 |
| Shimadzu Corporation | 6281 |
389 |
| Thermo Fisher Scientific (Bremen) GmbH | 608 |
273 |
| Thermo Finnigan LLC | 640 |
265 |
| Purdue Research Foundation | 3782 |
141 |
| Bruker Daltonics GmbH & Co. KG | 446 |
116 |
| Quest Diagnostics Investments Incorporated | 396 |
89 |
| Waters Technologies Corporation | 1762 |
78 |
| Agilent Technologies, Inc. | 2652 |
72 |
| Hitachi High-Tech Corporation | 5571 |
61 |
| Leco Corporation | 201 |
57 |
| Battelle Memorial Institute | 2535 |
43 |
| Bruker Scientific LLC | 78 |
42 |
| Smiths Detection-Watford Limited | 198 |
36 |
| PerkinElmer U.S. LLC | 281 |
36 |
| Roche Diagnostics Operations, Inc. | 1507 |
34 |
| JEOL Ltd. | 612 |
34 |
| The Trustees of Indiana University | 790 |
33 |
| Elemental Scientific, Inc. | 282 |
29 |
| Other owners | 2218 |