- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 49/26 - Mass spectrometers or separator tubes
Patent holdings for IPC class H01J 49/26
Total number of patents in this class: 1599
10-year publication summary
|
190
|
118
|
74
|
110
|
101
|
80
|
85
|
54
|
42
|
19
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DH Technologies Development Pte. Ltd. | 938 |
143 |
| Shimadzu Corporation | 5791 |
106 |
| Micromass UK Limited | 1121 |
100 |
| Thermo Finnigan LLC | 625 |
53 |
| Thermo Fisher Scientific (Bremen) GmbH | 496 |
46 |
| Agilent Technologies, Inc. | 2744 |
42 |
| Purdue Research Foundation | 3277 |
42 |
| Bruker Daltonics GmbH & Co. KG | 440 |
41 |
| Quest Diagnostics Investments Incorporated | 432 |
32 |
| Hitachi High-Tech Corporation | 4424 |
28 |
| PerkinElmer Health Sciences Canada, Inc. | 67 |
24 |
| Waters Technologies Corporation | 1654 |
18 |
| Battelle Memorial Institute | 2356 |
17 |
| PerkinElmer U.S. LLC | 312 |
16 |
| Hitachi High-Technologies Corporation | 2034 |
15 |
| Nuctech Company Limited | 1275 |
15 |
| Hamamatsu Photonics K.K. | 4161 |
13 |
| MDS Analytical Technologies, a Business Unit of MDS Inc. | 33 |
13 |
| California Institute of Technology | 3884 |
12 |
| Korea Basic Science Institute | 310 |
12 |
| Other owners | 811 |