- 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: 79
10-year publication summary
|
11
|
5
|
8
|
9
|
5
|
4
|
2
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Purdue Research Foundation | 3929 |
11 |
| DH Technologies Development Pte. Ltd. | 1177 |
7 |
| Shimadzu Corporation | 6363 |
5 |
| Bruker Daltonics GmbH & Co. KG | 460 |
5 |
| Thermo Fisher Scientific (Bremen) GmbH | 630 |
4 |
| California Institute of Technology | 4038 |
2 |
| Battelle Memorial Institute | 2609 |
2 |
| Academia Sinica | 959 |
2 |
| Excellims Corporation | 48 |
2 |
| Micromass UK Limited | 1125 |
2 |
| NexGen Semi Holding, Inc. | 15 |
2 |
| The Trustees of Indiana University | 831 |
2 |
| PerkinElmer Scientific Canada ULC | 45 |
2 |
| The Regents of the University of California | 20802 |
1 |
| ExxonMobil Research And Engineering Company | 2402 |
1 |
| Agilent Technologies, Inc. | 2637 |
1 |
| Board of Regents, The University of Texas System | 6135 |
1 |
| Thermo Finnigan LLC | 644 |
1 |
| Carl Zeiss SMT GmbH | 3345 |
1 |
| The Board of Trustees of the University of Illinois | 2748 |
1 |
| Other owners | 24 |