- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/17 - Systems in which incident light is modified in accordance with the properties of the material investigated
Patent holdings for IPC class G01N 21/17
Total number of patents in this class: 4555
10-year publication summary
|
261
|
322
|
361
|
413
|
354
|
341
|
324
|
293
|
299
|
249
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Kabushiki Kaisha | 7143 |
83 |
| Halliburton Energy Services, Inc. | 21021 |
70 |
| Hamamatsu Photonics K.K. | 4485 |
59 |
| FUJIFILM Corporation | 29797 |
57 |
| Panasonic Intellectual Property Management Co., Ltd. | 32352 |
51 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10946 |
47 |
| Sony Corporation | 30805 |
43 |
| Infineon Technologies AG | 8279 |
43 |
| Kabushiki Kaisha Topcon | 577 |
40 |
| Olympus Corporation | 13097 |
35 |
| NEC Corporation | 36252 |
34 |
| Samsung Electronics Co., Ltd. | 148924 |
33 |
| Nikon Corporation | 7304 |
32 |
| Canon Inc. | 41007 |
30 |
| Shimadzu Corporation | 6229 |
29 |
| The Regents of the University of California | 20268 |
26 |
| Illumisonics Inc. | 39 |
25 |
| Massachusetts Institute of Technology | 10130 |
24 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6117 |
24 |
| Centre National de La Recherche Scientifique | 10666 |
23 |
| Other owners | 3747 |