- 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: 4425
10-year publication summary
|
268
|
338
|
386
|
424
|
378
|
357
|
333
|
294
|
293
|
161
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Kabushiki Kaisha | 7050 |
82 |
| Halliburton Energy Services, Inc. | 20871 |
70 |
| FUJIFILM Corporation | 29329 |
57 |
| Hamamatsu Photonics K.K. | 4411 |
57 |
| Panasonic Intellectual Property Management Co., Ltd. | 31273 |
50 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10928 |
45 |
| Sony Corporation | 31080 |
43 |
| Infineon Technologies AG | 8218 |
43 |
| Kabushiki Kaisha Topcon | 585 |
40 |
| Olympus Corporation | 13186 |
35 |
| NEC Corporation | 35567 |
34 |
| Nikon Corporation | 7159 |
31 |
| Samsung Electronics Co., Ltd. | 145630 |
30 |
| Canon Inc. | 39765 |
30 |
| Shimadzu Corporation | 6163 |
29 |
| The Regents of the University of California | 19887 |
24 |
| Massachusetts Institute of Technology | 10041 |
24 |
| Illumisonics Inc. | 38 |
24 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6112 |
23 |
| Honeywell International Inc. | 13531 |
22 |
| Other owners | 3632 |