- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/73 - Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using plasma burners or torches
Patent holdings for IPC class G01N 21/73
Total number of patents in this class: 261
10-year publication summary
|
9
|
24
|
22
|
35
|
23
|
19
|
22
|
13
|
21
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Elemental Scientific, Inc. | 275 |
37 |
| Thermo Fisher Scientific (Bremen) GmbH | 589 |
11 |
| Tokyo Electron Limited | 12795 |
10 |
| National Institute of Advanced Industrial Science and Technology | 3789 |
8 |
| Shimadzu Corporation | 6183 |
6 |
| Precision Planting LLC | 1109 |
5 |
| Radom Corporation | 23 |
5 |
| PerkinElmer U.S. LLC | 291 |
5 |
| Samsung Electronics Co., Ltd. | 147003 |
4 |
| Applied Materials, Inc. | 18759 |
4 |
| Agilent Technologies, Inc. | 2635 |
4 |
| Hitachi High-Tech Science Corporation | 288 |
3 |
| IAS Inc. | 33 |
3 |
| Nu Eco Engineering Co., Ltd. | 28 |
3 |
| PerkinElmer Health Sciences Canada, Inc. | 47 |
3 |
| Seishin Trading Co., Ltd. | 9 |
3 |
| LG Chem, Ltd. | 17641 |
2 |
| E. I. du Pont de Nemours and Company | 4041 |
2 |
| Renesas Electronics Corporation | 6001 |
2 |
| Sumitomo Chemical Company, Limited | 9047 |
2 |
| Other owners | 139 |