- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/84 - Systems specially adapted for particular applications
Patent holdings for IPC class G01N 21/84
Total number of patents in this class: 3451
10-year publication summary
|
262
|
297
|
285
|
384
|
358
|
326
|
293
|
296
|
249
|
97
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roche Diabetes Care, Inc. | 1492 |
78 |
| F. Hoffmann-La Roche AG | 7958 |
72 |
| The Boeing Company | 19843 |
47 |
| Roche Diabetes Care GmbH | 569 |
35 |
| Altria Client Services LLC | 1866 |
30 |
| Halliburton Energy Services, Inc. | 20165 |
29 |
| KLA-Tencor Corporation | 2574 |
29 |
| CCS Inc. | 131 |
25 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
24 |
| 3m Innovative Properties Company | 18406 |
22 |
| Sumitomo Chemical Company, Limited | 8808 |
19 |
| Applied Materials, Inc. | 16587 |
18 |
| Siemens Healthcare Diagnostics Inc. | 1946 |
18 |
| NEC Corporation | 32703 |
16 |
| Omron Corporation | 6968 |
15 |
| Olympus Corporation | 13667 |
14 |
| Charm Sciences, Inc. | 110 |
14 |
| Ecolab USA Inc. | 5190 |
14 |
| The Procter & Gamble Company | 22178 |
13 |
| Screen Holdings Co., Ltd. | 2431 |
13 |
| Other owners | 2906 |