- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 49/14 - Ion sourcesIon guns using particle bombardment, e.g. ionisation chambers
Patent holdings for IPC class H01J 49/14
Total number of patents in this class: 540
10-year publication summary
|
35
|
44
|
59
|
58
|
43
|
43
|
39
|
26
|
34
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1118 |
66 |
| Shimadzu Corporation | 6187 |
36 |
| Purdue Research Foundation | 3654 |
18 |
| Thermo Finnigan LLC | 637 |
17 |
| Agilent Technologies, Inc. | 2637 |
11 |
| Ionicon Analytik Gesellschaft M.B.H. | 17 |
11 |
| Thermo Fisher Scientific (Bremen) GmbH | 590 |
11 |
| Bruker Scientific LLC | 78 |
11 |
| Leco Corporation | 202 |
9 |
| Atonarp Inc | 115 |
8 |
| Quest Diagnostics Investments Incorporated | 404 |
8 |
| DH Technologies Development Pte. Ltd. | 1122 |
8 |
| INFICON, Inc. | 80 |
7 |
| MKS Instruments, Inc. | 646 |
7 |
| Tofwerk AG | 40 |
7 |
| Waters Technologies Corporation | 1701 |
7 |
| Nova Measuring Instruments Inc. | 66 |
7 |
| Massachusetts Institute of Technology | 10093 |
6 |
| The Board of Trustees of the Leland Stanford Junior University | 6447 |
6 |
| Battelle Memorial Institute | 2494 |
6 |
| Other owners | 273 |