- 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: 586
10-year publication summary
|
35
|
31
|
31
|
35
|
42
|
35
|
28
|
31
|
36
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20180 |
39 |
| Siro Diagnostics, Inc. | 51 |
16 |
| Endress+Hauser Conducta Gesellschaft; für Mess- und Regeltechnik mbH+Co. KG | 112 |
15 |
| National Institute of Advanced Industrial Science and Technology | 3784 |
12 |
| ARKRAY, Inc. | 877 |
11 |
| PHC Holdings Corporation | 715 |
10 |
| Hitachi High-Technologies Corporation | 2006 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 30903 |
9 |
| Endress + Hauser Conducta GmbH + Co. KG | 339 |
9 |
| Panasonic Healthcare Co., Ltd. | 66 |
9 |
| Sumitomo Electric Industries, Ltd. | 15321 |
7 |
| Nipro Corporation | 1015 |
7 |
| Canon Kabushiki Kaisha | 7041 |
7 |
| Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | 77 |
6 |
| Hach Lange GmbH | 147 |
6 |
| Hitachi High-Tech Corporation | 5233 |
6 |
| Omron Healthcare Co., Ltd. | 1866 |
5 |
| Nippon Telegraph and Telephone Corporation | 17109 |
5 |
| Broadley-James Corporation | 70 |
5 |
| Horiba Advanced Techno, Co., Ltd. | 113 |
5 |
| Other owners | 388 |