- 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: 4670
10-year publication summary
|
322
|
361
|
413
|
355
|
341
|
326
|
301
|
305
|
272
|
83
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Kabushiki Kaisha | 7206 |
84 |
| Halliburton Energy Services, Inc. | 21169 |
69 |
| Hamamatsu Photonics K.K. | 4595 |
65 |
| FUJIFILM Corporation | 30210 |
57 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
52 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10993 |
50 |
| Sony Corporation | 30440 |
43 |
| Infineon Technologies AG | 8383 |
43 |
| Kabushiki Kaisha Topcon | 562 |
39 |
| Samsung Electronics Co., Ltd. | 153573 |
36 |
| Olympus Corporation | 13016 |
35 |
| NEC Corporation | 36611 |
34 |
| Nikon Corporation | 7310 |
31 |
| Canon Inc. | 42224 |
30 |
| Shimadzu Corporation | 6305 |
29 |
| The Regents of the University of California | 20506 |
26 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6105 |
25 |
| Centre National de La Recherche Scientifique | 10870 |
24 |
| Illumisonics Inc. | 40 |
24 |
| Massachusetts Institute of Technology | 10196 |
23 |
| Other owners | 3851 |