- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/77 - 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
Patent holdings for IPC class G01N 21/77
Total number of patents in this class: 2702
10-year publication summary
|
211
|
211
|
203
|
218
|
205
|
199
|
203
|
154
|
143
|
137
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pacific Biosciences of California, Inc. | 757 |
60 |
| Roche Diabetes Care, Inc. | 1492 |
34 |
| F. Hoffmann-La Roche AG | 7932 |
32 |
| Hach Company | 431 |
28 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10955 |
26 |
| Quantum-Si Incorporated | 459 |
26 |
| Centre National de La Recherche Scientifique | 10635 |
24 |
| Massachusetts Institute of Technology | 10129 |
22 |
| 3m Innovative Properties Company | 17752 |
18 |
| Illumina, Inc. | 3405 |
18 |
| Ecolab USA Inc. | 5567 |
17 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2391 |
17 |
| Medtronic MiniMed, Inc. | 1785 |
16 |
| Corning Incorporated | 10372 |
16 |
| Endress + Hauser Conducta GmbH + Co. KG | 347 |
16 |
| Aryballe Technologies | 60 |
16 |
| Siemens Healthcare Diagnostics Inc. | 2097 |
15 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6119 |
15 |
| Samsung Electronics Co., Ltd. | 148649 |
14 |
| The Board of Trustees of the University of Illinois | 2713 |
14 |
| Other owners | 2258 |