- 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: 4806
10-year publication summary
|
432
|
457
|
417
|
365
|
416
|
373
|
397
|
360
|
331
|
76
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1121 |
631 |
| DH Technologies Development Pte. Ltd. | 938 |
386 |
| Shimadzu Corporation | 5791 |
339 |
| Thermo Finnigan LLC | 625 |
258 |
| Thermo Fisher Scientific (Bremen) GmbH | 496 |
229 |
| Purdue Research Foundation | 3277 |
136 |
| Bruker Daltonics GmbH & Co. KG | 440 |
111 |
| Quest Diagnostics Investments Incorporated | 432 |
98 |
| Waters Technologies Corporation | 1654 |
78 |
| Agilent Technologies, Inc. | 2744 |
65 |
| Hitachi High-Tech Corporation | 4424 |
63 |
| Leco Corporation | 200 |
59 |
| Battelle Memorial Institute | 2356 |
41 |
| Bruker Scientific LLC | 74 |
41 |
| PerkinElmer U.S. LLC | 312 |
41 |
| Smiths Detection-Watford Limited | 187 |
35 |
| JEOL Ltd. | 556 |
34 |
| Roche Diagnostics Operations, Inc. | 1375 |
28 |
| The Trustees of Indiana University | 630 |
28 |
| Elemental Scientific, Inc. | 255 |
27 |
| Other owners | 2078 |