- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 49/16 - Ion sources; Ion guns using surface ionisation, e.g. field-, thermionic- or photo-emission
Patent holdings for IPC class H01J 49/16
Total number of patents in this class: 1454
10-year publication summary
|
130
|
116
|
114
|
123
|
177
|
137
|
187
|
140
|
123
|
28
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1121 |
142 |
| Shimadzu Corporation | 5791 |
125 |
| Purdue Research Foundation | 3277 |
90 |
| DH Technologies Development Pte. Ltd. | 938 |
66 |
| Hamamatsu Photonics K.K. | 4161 |
49 |
| Bruker Daltonics GmbH & Co. KG | 440 |
33 |
| Thermo Finnigan LLC | 625 |
32 |
| Waters Technologies Corporation | 1654 |
19 |
| The University of North Carolina at Chapel Hill | 1928 |
18 |
| Bruker Scientific LLC | 74 |
18 |
| Hitachi High-Tech Corporation | 4424 |
18 |
| Quest Diagnostics Investments Incorporated | 432 |
16 |
| UT-Battelle, LLC | 1333 |
16 |
| Thermo Fisher Scientific (Bremen) GmbH | 496 |
14 |
| Battelle Memorial Institute | 2356 |
11 |
| Biodesix, Inc. | 114 |
11 |
| Kratos Analytical Limited | 39 |
11 |
| Regeneron Pharmaceuticals, Inc. | 3650 |
11 |
| The Regents of the University of California | 18943 |
10 |
| bioMerieux, Inc. | 391 |
10 |
| Other owners | 734 |