- 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: 1604
10-year publication summary
|
108
|
74
|
102
|
88
|
74
|
76
|
54
|
44
|
48
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DH Technologies Development Pte. Ltd. | 1115 |
144 |
| Shimadzu Corporation | 6179 |
108 |
| Micromass UK Limited | 1118 |
97 |
| Thermo Finnigan LLC | 638 |
55 |
| Thermo Fisher Scientific (Bremen) GmbH | 589 |
47 |
| Agilent Technologies, Inc. | 2638 |
44 |
| Purdue Research Foundation | 3629 |
44 |
| Bruker Daltonics GmbH & Co. KG | 442 |
41 |
| Quest Diagnostics Investments Incorporated | 404 |
30 |
| Hitachi High-Tech Corporation | 5339 |
30 |
| PerkinElmer Health Sciences Canada, Inc. | 47 |
19 |
| Waters Technologies Corporation | 1697 |
18 |
| Battelle Memorial Institute | 2492 |
16 |
| PerkinElmer U.S. LLC | 291 |
16 |
| Hitachi High-Technologies Corporation | 2004 |
15 |
| Nuctech Company Limited | 1423 |
15 |
| The Trustees of Indiana University | 742 |
15 |
| Hamamatsu Photonics K.K. | 4426 |
14 |
| MDS Analytical Technologies, a Business Unit of MDS Inc. | 33 |
13 |
| California Institute of Technology | 3977 |
12 |
| Other owners | 811 |