- 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: 3869
10-year publication summary
|
317
|
345
|
346
|
317
|
246
|
214
|
199
|
207
|
172
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 7615 |
143 |
| KLA-Tencor Corporation | 2528 |
105 |
| The General Hospital Corporation | 4795 |
64 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10970 |
56 |
| KLA Corporation | 1692 |
55 |
| Hitachi High-Tech Corporation | 5508 |
49 |
| Canon Inc. | 41306 |
39 |
| Samsung Electronics Co., Ltd. | 149838 |
34 |
| Canon Kabushiki Kaisha | 7182 |
34 |
| Apple Inc. | 56633 |
31 |
| Panasonic Intellectual Property Management Co., Ltd. | 32675 |
29 |
| Koninklijke Philips Electronics N.V. | 8519 |
25 |
| Hamamatsu Photonics K.K. | 4531 |
24 |
| The Wave Talk, Inc. | 57 |
24 |
| Centre National de La Recherche Scientifique | 10726 |
23 |
| bioMerieux, Inc. | 450 |
22 |
| Robert Bosch GmbH | 43097 |
21 |
| Seagate Technology LLC | 3984 |
21 |
| Sony Corporation | 30735 |
20 |
| Koninklijke Philips N.V. | 25222 |
20 |
| Other owners | 3030 |