- 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: 4037
10-year publication summary
|
278
|
273
|
364
|
330
|
297
|
288
|
313
|
279
|
310
|
290
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roche Diabetes Care, Inc. | 1493 |
84 |
| F. Hoffmann-La Roche AG | 7933 |
82 |
| The Boeing Company | 20163 |
50 |
| Roche Diabetes Care GmbH | 635 |
43 |
| Altria Client Services LLC | 2279 |
33 |
| Halliburton Energy Services, Inc. | 21078 |
29 |
| KLA-Tencor Corporation | 2538 |
29 |
| Panasonic Intellectual Property Management Co., Ltd. | 32457 |
27 |
| Applied Materials, Inc. | 19248 |
26 |
| CCS Inc. | 130 |
23 |
| 3m Innovative Properties Company | 17730 |
22 |
| Siemens Healthcare Diagnostics Inc. | 2103 |
21 |
| Sumitomo Chemical Company, Limited | 9109 |
20 |
| Tokyo Electron Limited | 13136 |
19 |
| NEC Corporation | 36257 |
18 |
| Charm Sciences, Inc. | 104 |
18 |
| Omron Corporation | 7306 |
16 |
| Ecolab USA Inc. | 5598 |
15 |
| Samsung Electronics Co., Ltd. | 149087 |
14 |
| Screen Holdings Co., Ltd. | 2932 |
14 |
| Other owners | 3434 |