- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/47 - Scattering, i.e. diffuse reflection
Patent holdings for IPC class G01N 21/47
Total number of patents in this class: 3828
10-year publication summary
|
308
|
325
|
363
|
353
|
326
|
253
|
214
|
207
|
206
|
106
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 7381 |
142 |
| KLA-Tencor Corporation | 2544 |
109 |
| The General Hospital Corporation | 4726 |
65 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10923 |
56 |
| KLA Corporation | 1543 |
49 |
| Hitachi High-Tech Corporation | 5302 |
49 |
| Canon Inc. | 39818 |
39 |
| Canon Kabushiki Kaisha | 7055 |
34 |
| Samsung Electronics Co., Ltd. | 145864 |
33 |
| Apple Inc. | 54773 |
30 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
29 |
| Koninklijke Philips Electronics N.V. | 9696 |
27 |
| Hamamatsu Photonics K.K. | 4413 |
24 |
| Centre National de La Recherche Scientifique | 10421 |
23 |
| bioMerieux, Inc. | 441 |
22 |
| The Wave Talk, Inc. | 55 |
22 |
| Robert Bosch GmbH | 42674 |
21 |
| Seagate Technology LLC | 3965 |
21 |
| Sony Corporation | 31065 |
20 |
| Koninklijke Philips N.V. | 24766 |
20 |
| Other owners | 2993 |