- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 15/12 - Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
Patent holdings for IPC class G01N 15/12
Total number of patents in this class: 357
10-year publication summary
|
26
|
16
|
29
|
23
|
31
|
20
|
15
|
23
|
28
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Beckman Coulter, Inc. | 1348 |
24 |
| Aipore Inc. | 35 |
16 |
| Sysmex Corporation | 1445 |
13 |
| Advantest Corporation | 1666 |
12 |
| Horiba ABX SAS | 113 |
9 |
| Roche Sequencing Solutions, Inc. | 738 |
9 |
| Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | 2002 |
9 |
| NOK Corporation | 2345 |
8 |
| Life Technologies Corporation | 3460 |
7 |
| Sony Corporation | 30029 |
6 |
| Orflo Technologies, LLC | 24 |
6 |
| The Regents of the University of California | 20924 |
5 |
| The General Hospital Corporation | 4895 |
5 |
| Georgia Tech Research Corporation | 2988 |
5 |
| HORIBA, Ltd. | 893 |
5 |
| Izon Science Limited | 16 |
5 |
| University of Southampton | 466 |
5 |
| Koninklijke Philips N.V. | 26073 |
4 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1621 |
4 |
| Osaka University | 3252 |
4 |
| Other owners | 196 |