- 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: 195
10-year publication summary
|
14
|
11
|
24
|
16
|
11
|
16
|
16
|
13
|
15
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Thermo Fisher Scientific (Ecublens) SARL | 30 |
12 |
| Mecanique Analytique Inc. | 55 |
7 |
| Shimadzu Corporation | 5791 |
6 |
| InnoTech Alberta Inc. | 61 |
6 |
| Imagineering, Inc. | 125 |
5 |
| JFE Steel Corporation | 6067 |
5 |
| Kyushu Institute of Technology | 319 |
5 |
| Thermo Niton Analyzers LLC | 40 |
4 |
| ARKRAY, Inc. | 844 |
4 |
| Elementar Analysensysteme GmbH | 56 |
4 |
| Horiba Jobin Yvon SAS | 50 |
4 |
| Thermo Fisher Scientific (Bremen) GmbH | 496 |
4 |
| 2S Water Incorporated | 19 |
4 |
| Halliburton Energy Services, Inc. | 20165 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Purdue Research Foundation | 3277 |
3 |
| FEI Company | 851 |
3 |
| HORIBA, Ltd. | 746 |
3 |
| SPECTRO Analytical Instruments GmbH | 68 |
3 |
| Subaru Corporation | 2959 |
3 |
| Other owners | 104 |