- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 27/28 - Electrolytic cell components
Patent holdings for IPC class G01N 27/28
Total number of patents in this class: 622
10-year publication summary
|
31
|
31
|
36
|
42
|
35
|
29
|
31
|
39
|
35
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 19060 |
36 |
| Siro Diagnostics, Inc. | 61 |
16 |
| Endress+Hauser Conducta Gesellschaft; für Mess- und Regeltechnik mbH+Co. KG | 95 |
13 |
| Hitachi High-Tech Corporation | 5819 |
12 |
| Canon Kabushiki Kaisha | 7307 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
10 |
| PHC Holdings Corporation | 711 |
10 |
| Hitachi High-Technologies Corporation | 1987 |
9 |
| ARKRAY, Inc. | 859 |
9 |
| Endress + Hauser Conducta GmbH + Co. KG | 365 |
9 |
| Panasonic Healthcare Co., Ltd. | 66 |
9 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
8 |
| Broadley-James Corporation | 66 |
8 |
| Nipro Corporation | 1051 |
7 |
| Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | 75 |
6 |
| Hach Lange GmbH | 159 |
6 |
| Horiba Advanced Techno, Co., Ltd. | 121 |
6 |
| HORIBA, Ltd. | 886 |
6 |
| National Institute for Materials Science | 1087 |
6 |
| Nitto Denko Corporation | 8526 |
5 |
| Other owners | 420 |