- All sections
- G - Physics
- G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet lightcolorimetryradiation pyrometry
- G01J 4/04 - Polarimeters using electric detection means
Patent holdings for IPC class G01J 4/04
Total number of patents in this class: 434
10-year publication summary
|
32
|
27
|
36
|
32
|
37
|
41
|
35
|
36
|
32
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| J.A. Woollam Co., Inc. | 156 |
21 |
| Sony Corporation | 31227 |
17 |
| Raytheon Company | 8390 |
12 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2122 |
10 |
| Samsung Electronics Co., Ltd. | 142777 |
7 |
| Corning Incorporated | 10159 |
7 |
| Polaris Sensor Technologies, Inc. | 47 |
7 |
| President and Fellows of Harvard College | 5922 |
6 |
| Arizona Board of Regents on behalf of Arizona State University | 2543 |
6 |
| Sony Group Corporation | 13268 |
6 |
| Centre National de La Recherche Scientifique | 10238 |
5 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1817 |
5 |
| Korea Research Institute of Standards and Science | 666 |
5 |
| Sony Semiconductor Solutions Corporation | 10109 |
5 |
| Advanced Optical Technologies, Inc. | 6 |
5 |
| The Boeing Company | 19955 |
4 |
| FUJIFILM Corporation | 29129 |
4 |
| Nikon Corporation | 7149 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10760 |
4 |
| Hamamatsu Photonics K.K. | 4366 |
4 |
| Other owners | 290 |