- 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: 2483
10-year publication summary
|
163
|
223
|
225
|
217
|
223
|
224
|
191
|
174
|
145
|
43
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pacific Biosciences of California, Inc. | 738 |
55 |
| F. Hoffmann-La Roche AG | 7958 |
29 |
| Roche Diabetes Care, Inc. | 1492 |
28 |
| Quantum-Si Incorporated | 395 |
26 |
| Centre National de La Recherche Scientifique | 9632 |
25 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
25 |
| Corning Incorporated | 9932 |
24 |
| Massachusetts Institute of Technology | 9795 |
21 |
| 3m Innovative Properties Company | 18406 |
19 |
| Hach Company | 403 |
19 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
18 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2362 |
17 |
| Medtronic MiniMed, Inc. | 1808 |
15 |
| Ecolab USA Inc. | 5190 |
15 |
| Endress + Hauser Conducta GmbH + Co. KG | 292 |
15 |
| Illumina, Inc. | 2771 |
15 |
| Samsung Electronics Co., Ltd. | 131630 |
14 |
| Kemira Oyj | 1167 |
14 |
| The Regents of the University of California | 18943 |
13 |
| The Board of Trustees of the University of Illinois | 2623 |
13 |
| Other owners | 2063 |