- 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 |