- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 49/40 - Time-of-flight spectrometers
Patent holdings for IPC class H01J 49/40
Total number of patents in this class: 1457
10-year publication summary
|
150
|
117
|
94
|
131
|
98
|
104
|
92
|
63
|
69
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Micromass UK Limited | 1119 |
234 |
| Shimadzu Corporation | 6163 |
206 |
| Thermo Fisher Scientific (Bremen) GmbH | 582 |
105 |
| Leco Corporation | 200 |
74 |
| DH Technologies Development Pte. Ltd. | 1100 |
70 |
| Bruker Daltonics GmbH & Co. KG | 444 |
45 |
| Thermo Finnigan LLC | 637 |
22 |
| Agilent Technologies, Inc. | 2638 |
21 |
| Virgin Instruments Corporation | 27 |
16 |
| Zeteo Tech, Inc. | 51 |
16 |
| bioMerieux, Inc. | 441 |
14 |
| The Trustees of Indiana University | 733 |
14 |
| Battelle Memorial Institute | 2480 |
12 |
| Standard Biotools Canada Inc. | 88 |
12 |
| Fluidigm Canada Inc. | 50 |
11 |
| PerkinElmer U.S. LLC | 289 |
11 |
| Kratos Analytical Limited | 39 |
10 |
| Becton, Dickinson and Company | 7254 |
9 |
| Excellims Corporation | 52 |
9 |
| Smiths Detection-Watford Limited | 193 |
9 |
| Other owners | 537 |