- 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: 1644
10-year publication summary
|
114
|
123
|
177
|
138
|
187
|
145
|
130
|
113
|
77
|
46
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1125 |
152 |
| Shimadzu Corporation | 6364 |
151 |
| Purdue Research Foundation | 3937 |
104 |
| DH Technologies Development Pte. Ltd. | 1177 |
78 |
| Hamamatsu Photonics K.K. | 4697 |
53 |
| Bruker Daltonics GmbH & Co. KG | 463 |
46 |
| Thermo Finnigan LLC | 644 |
36 |
| Hitachi High-Tech Corporation | 5918 |
22 |
| Waters Technologies Corporation | 1794 |
20 |
| The University of North Carolina at Chapel Hill | 2114 |
18 |
| Bruker Scientific LLC | 79 |
18 |
| Quest Diagnostics Investments Incorporated | 390 |
17 |
| Thermo Fisher Scientific (Bremen) GmbH | 630 |
17 |
| UT-Battelle, LLC | 1516 |
17 |
| Regeneron Pharmaceuticals, Inc. | 4786 |
15 |
| Biodesix, Inc. | 102 |
12 |
| Kratos Analytical Limited | 37 |
12 |
| Zeteo Tech, Inc. | 59 |
12 |
| The Regents of the University of California | 20815 |
11 |
| bioMerieux, Inc. | 454 |
11 |
| Other owners | 822 |