- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 27/68 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosolsInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas
Patent holdings for IPC class G01N 27/68
Total number of patents in this class: 135
10-year publication summary
|
7
|
11
|
10
|
15
|
7
|
7
|
4
|
7
|
8
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shimadzu Corporation | 6373 |
18 |
| NGK Insulators, Ltd. | 5172 |
10 |
| Smiths Detection Montreal Inc. | 53 |
6 |
| University of Yamanashi | 268 |
5 |
| Nuctech Company Limited | 1478 |
4 |
| Osaka University | 3258 |
4 |
| Leidos Security Detection & Automation,inc. | 53 |
4 |
| The Regents of the University of Michigan | 5030 |
3 |
| Battelle Memorial Institute | 2610 |
3 |
| Atonarp Inc | 120 |
3 |
| Niterra Co., Ltd. | 1423 |
3 |
| Hitachi High-Technologies Corporation | 1986 |
2 |
| NGK Spark Plug Co., Ltd. | 872 |
2 |
| Drexel University | 998 |
2 |
| Elemental Scientific, Inc. | 294 |
2 |
| National University Corporation Toyohashi University of Technology | 196 |
2 |
| Owlstone Medical Limited | 99 |
2 |
| Shimadzu Research Laboratory (Shanghai) Co. Ltd. | 34 |
2 |
| Sintokogio, Ltd. | 1205 |
2 |
| Young in ACE Co., Ltd. | 11 |
2 |
| Other owners | 54 |