- 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: 4023
10-year publication summary
|
271
|
268
|
338
|
386
|
425
|
372
|
341
|
298
|
263
|
78
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Kabushiki Kaisha | 6884 |
83 |
| Halliburton Energy Services, Inc. | 20165 |
68 |
| FUJIFILM Corporation | 27102 |
55 |
| Hamamatsu Photonics K.K. | 4161 |
48 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
46 |
| Sony Corporation | 32931 |
44 |
| Infineon Technologies AG | 8189 |
40 |
| Kabushiki Kaisha Topcon | 614 |
40 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
39 |
| Olympus Corporation | 13667 |
37 |
| NEC Corporation | 32703 |
31 |
| Canon Inc. | 36841 |
30 |
| Nikon Corporation | 7162 |
30 |
| Samsung Electronics Co., Ltd. | 131630 |
26 |
| The Regents of the University of California | 18943 |
25 |
| Shimadzu Corporation | 5791 |
24 |
| Massachusetts Institute of Technology | 9795 |
23 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
22 |
| The General Hospital Corporation | 4517 |
21 |
| Honeywell International Inc. | 13799 |
20 |
| Other owners | 3271 |