- 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: 3568
10-year publication summary
|
262
|
297
|
285
|
384
|
358
|
328
|
301
|
306
|
255
|
217
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roche Diabetes Care, Inc. | 1481 |
78 |
| F. Hoffmann-La Roche AG | 7961 |
74 |
| The Boeing Company | 19784 |
48 |
| Roche Diabetes Care GmbH | 593 |
37 |
| Altria Client Services LLC | 1966 |
32 |
| Halliburton Energy Services, Inc. | 20204 |
29 |
| KLA-Tencor Corporation | 2560 |
29 |
| CCS Inc. | 135 |
27 |
| Panasonic Intellectual Property Management Co., Ltd. | 28660 |
24 |
| 3m Innovative Properties Company | 18114 |
22 |
| Applied Materials, Inc. | 17143 |
22 |
| Sumitomo Chemical Company, Limited | 8880 |
19 |
| Siemens Healthcare Diagnostics Inc. | 1969 |
18 |
| NEC Corporation | 33474 |
16 |
| Omron Corporation | 7046 |
15 |
| Olympus Corporation | 13381 |
14 |
| Charm Sciences, Inc. | 105 |
14 |
| Ecolab USA Inc. | 5255 |
14 |
| The Regents of the University of California | 19182 |
13 |
| Screen Holdings Co., Ltd. | 2539 |
13 |
| Other owners | 3010 |