- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/67 - Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence using electric arcs or discharges
Patent holdings for IPC class G01N 21/67
Total number of patents in this class: 206
10-year publication summary
|
10
|
22
|
15
|
10
|
16
|
14
|
13
|
14
|
9
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Thermo Fisher Scientific (Ecublens) SARL | 32 |
13 |
| Shimadzu Corporation | 6229 |
6 |
| InnoTech Alberta Inc. | 59 |
6 |
| ARKRAY, Inc. | 868 |
5 |
| Imagineering, Inc. | 125 |
5 |
| JFE Steel Corporation | 7044 |
5 |
| Kyushu Institute of Technology | 292 |
5 |
| Elementar Analysensysteme GmbH | 52 |
4 |
| FEI Company | 981 |
4 |
| Horiba Jobin Yvon SAS | 48 |
4 |
| Thermo Fisher Scientific (Bremen) GmbH | 596 |
4 |
| NCS Testing Technology Co., Ltd. | 18 |
4 |
| 2S Water Incorporated | 21 |
4 |
| 9518-1236 Québec Inc. | 11 |
4 |
| Halliburton Energy Services, Inc. | 21021 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 32352 |
3 |
| Massachusetts Institute of Technology | 10130 |
3 |
| Thermo Electron Scientific Instruments LLC | 192 |
3 |
| Thermo Niton Analyzers LLC | 35 |
3 |
| Purdue Research Foundation | 3721 |
3 |
| Other owners | 115 |