- 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: 4486
10-year publication summary
|
261
|
322
|
361
|
413
|
354
|
340
|
323
|
286
|
294
|
201
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Kabushiki Kaisha | 7065 |
83 |
| Halliburton Energy Services, Inc. | 20937 |
70 |
| Hamamatsu Photonics K.K. | 4441 |
59 |
| FUJIFILM Corporation | 29506 |
57 |
| Panasonic Intellectual Property Management Co., Ltd. | 31756 |
51 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10936 |
46 |
| Sony Corporation | 30957 |
43 |
| Infineon Technologies AG | 8247 |
43 |
| Kabushiki Kaisha Topcon | 582 |
40 |
| Olympus Corporation | 13153 |
35 |
| NEC Corporation | 35879 |
34 |
| Nikon Corporation | 7206 |
32 |
| Samsung Electronics Co., Ltd. | 147334 |
31 |
| Canon Inc. | 40280 |
30 |
| Shimadzu Corporation | 6187 |
29 |
| The Regents of the University of California | 20035 |
25 |
| Massachusetts Institute of Technology | 10093 |
24 |
| Illumisonics Inc. | 38 |
24 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6121 |
23 |
| Honeywell International Inc. | 13554 |
22 |
| Other owners | 3685 |