- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 49/16 - Ion sourcesIon 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: 1575
10-year publication summary
|
114
|
110
|
120
|
169
|
136
|
184
|
142
|
127
|
111
|
52
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1118 |
148 |
| Shimadzu Corporation | 6179 |
138 |
| Purdue Research Foundation | 3629 |
100 |
| DH Technologies Development Pte. Ltd. | 1115 |
76 |
| Hamamatsu Photonics K.K. | 4426 |
52 |
| Bruker Daltonics GmbH & Co. KG | 442 |
41 |
| Thermo Finnigan LLC | 638 |
33 |
| Waters Technologies Corporation | 1697 |
19 |
| The University of North Carolina at Chapel Hill | 2040 |
18 |
| Bruker Scientific LLC | 78 |
18 |
| Hitachi High-Tech Corporation | 5339 |
18 |
| Quest Diagnostics Investments Incorporated | 404 |
17 |
| UT-Battelle, LLC | 1459 |
17 |
| Regeneron Pharmaceuticals, Inc. | 4288 |
16 |
| Thermo Fisher Scientific (Bremen) GmbH | 589 |
15 |
| Kratos Analytical Limited | 39 |
12 |
| Battelle Memorial Institute | 2492 |
11 |
| Biodesix, Inc. | 113 |
11 |
| Zeteo Tech, Inc. | 52 |
11 |
| The Regents of the University of California | 19961 |
10 |
| Other owners | 794 |