- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 49/34 - Dynamic spectrometers
Patent holdings for IPC class H01J 49/34
Total number of patents in this class: 87
10-year publication summary
8
|
7
|
11
|
5
|
8
|
9
|
5
|
4
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Purdue Research Foundation | 3277 |
11 |
DH Technologies Development Pte. Ltd. | 938 |
7 |
Shimadzu Corporation | 5791 |
5 |
Micromass UK Limited | 1121 |
5 |
Bruker Daltonics GmbH & Co. KG | 440 |
5 |
Thermo Finnigan LLC | 625 |
4 |
Thermo Fisher Scientific (Bremen) GmbH | 496 |
4 |
California Institute of Technology | 3884 |
2 |
The Board of Trustees of the University of Illinois | 2623 |
2 |
Battelle Memorial Institute | 2356 |
2 |
Academia Sinica | 888 |
2 |
Excellims Corporation | 52 |
2 |
NexGen Semi Holding, Inc. | 21 |
2 |
PerkinElmer Health Sciences, Inc. | 274 |
2 |
The Trustees of Indiana University | 630 |
2 |
PerkinElmer U.S. LLC | 312 |
2 |
PerkinElmer Scientific Canada ULC | 59 |
2 |
The Regents of the University of California | 18943 |
1 |
ExxonMobil Research And Engineering Company | 2830 |
1 |
Hitachi High-Tech Science Corporation | 326 |
1 |
Other owners | 23 |