- 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: 3664
10-year publication summary
|
301
|
307
|
325
|
362
|
353
|
323
|
245
|
202
|
190
|
68
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 6816 |
135 |
| KLA-Tencor Corporation | 2574 |
110 |
| The General Hospital Corporation | 4517 |
69 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
52 |
| Hitachi High-Tech Corporation | 4424 |
43 |
| Canon Inc. | 36841 |
40 |
| KLA Corporation | 1223 |
39 |
| Canon Kabushiki Kaisha | 6884 |
34 |
| Samsung Electronics Co., Ltd. | 131630 |
29 |
| Koninklijke Philips Electronics N.V. | 13133 |
28 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
27 |
| Apple Inc. | 50209 |
25 |
| Centre National de La Recherche Scientifique | 9632 |
24 |
| Robert Bosch GmbH | 40953 |
22 |
| bioMerieux, Inc. | 391 |
22 |
| Seagate Technology LLC | 4228 |
21 |
| The Wave Talk, Inc. | 56 |
21 |
| Sony Corporation | 32931 |
20 |
| Ricoh Company, Ltd. | 13266 |
20 |
| Koninklijke Philips N.V. | 22975 |
20 |
| Other owners | 2863 |