- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/82 - Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a precipitate or turbidity
Patent holdings for IPC class G01N 21/82
Total number of patents in this class: 263
10-year publication summary
|
33
|
18
|
24
|
16
|
19
|
13
|
10
|
11
|
8
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi High-Tech Corporation | 5578 |
25 |
| Sysmex Corporation | 1434 |
19 |
| Hitachi High-Technologies Corporation | 1993 |
10 |
| Kowa Company, Ltd. | 1224 |
7 |
| Chevron Phillips Chemical Company LP | 1845 |
5 |
| Siemens Healthcare Diagnostics Inc. | 2124 |
5 |
| Halliburton Energy Services, Inc. | 21115 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10971 |
4 |
| InDevR, Inc. | 29 |
4 |
| Ortho-Clinical Diagnostics, Inc. | 342 |
4 |
| School Juridical person Higashi-nippon-gakuen | 16 |
4 |
| Roche Diagnostics Operations, Inc. | 1505 |
3 |
| Schlumberger Technology Corporation | 11298 |
3 |
| The General Hospital Corporation | 4796 |
3 |
| bioMerieux | 927 |
3 |
| ESI, Inc. | 17 |
3 |
| Sekisui Chemical Co., Ltd. | 3531 |
3 |
| Trace-Ability, Inc. | 10 |
3 |
| Universitat Autonoma de Barcelona | 333 |
3 |
| Canon Medical Systems Corporation | 2387 |
3 |
| Other owners | 145 |