- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 49/14 - Ion sources; Ion guns using particle bombardment, e.g. ionisation chambers
Patent holdings for IPC class H01J 49/14
Total number of patents in this class: 517
10-year publication summary
|
32
|
36
|
46
|
59
|
60
|
45
|
43
|
38
|
26
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1121 |
65 |
| Shimadzu Corporation | 5791 |
34 |
| Thermo Finnigan LLC | 625 |
17 |
| Purdue Research Foundation | 3277 |
16 |
| Bruker Scientific LLC | 74 |
11 |
| Ionicon Analytik Gesellschaft M.B.H. | 16 |
10 |
| Leco Corporation | 200 |
10 |
| Agilent Technologies, Inc. | 2744 |
9 |
| PerkinElmer Health Sciences, Inc. | 274 |
8 |
| Quest Diagnostics Investments Incorporated | 432 |
8 |
| Thermo Fisher Scientific (Bremen) GmbH | 496 |
8 |
| DH Technologies Development Pte. Ltd. | 938 |
8 |
| MKS Instruments, Inc. | 698 |
7 |
| Waters Technologies Corporation | 1654 |
7 |
| Nova Measuring Instruments Inc. | 59 |
7 |
| Massachusetts Institute of Technology | 9795 |
6 |
| The Board of Trustees of the Leland Stanford Junior University | 6054 |
6 |
| Battelle Memorial Institute | 2356 |
6 |
| Atonarp Inc | 101 |
6 |
| Ion-tof Technologies GmbH | 12 |
6 |
| Other owners | 262 |