- 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: 1531
10-year publication summary
|
116
|
114
|
123
|
177
|
138
|
187
|
142
|
125
|
110
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1119 |
144 |
| Shimadzu Corporation | 5999 |
131 |
| Purdue Research Foundation | 3471 |
98 |
| DH Technologies Development Pte. Ltd. | 1054 |
74 |
| Hamamatsu Photonics K.K. | 4305 |
51 |
| Bruker Daltonics GmbH & Co. KG | 435 |
37 |
| Thermo Finnigan LLC | 639 |
35 |
| Waters Technologies Corporation | 1678 |
19 |
| The University of North Carolina at Chapel Hill | 1990 |
18 |
| Bruker Scientific LLC | 75 |
18 |
| Quest Diagnostics Investments Incorporated | 427 |
17 |
| UT-Battelle, LLC | 1387 |
17 |
| Hitachi High-Tech Corporation | 5028 |
17 |
| Regeneron Pharmaceuticals, Inc. | 3978 |
14 |
| Thermo Fisher Scientific (Bremen) GmbH | 555 |
14 |
| Kratos Analytical Limited | 40 |
12 |
| Battelle Memorial Institute | 2415 |
11 |
| Biodesix, Inc. | 114 |
11 |
| The Regents of the University of California | 19493 |
10 |
| Agilent Technologies, Inc. | 2680 |
10 |
| Other owners | 773 |