- All sections
- G - Physics
- G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light; colorimetry; radiation pyrometry
- G01J 4/04 - Polarimeters using electric detection means
Patent holdings for IPC class G01J 4/04
Total number of patents in this class: 405
10-year publication summary
39
|
32
|
27
|
36
|
32
|
37
|
41
|
35
|
34
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
J.A. Woollam Co., Inc. | 166 |
22 |
Sony Corporation | 32931 |
17 |
Raytheon Company | 8535 |
11 |
Samsung Electronics Co., Ltd. | 131630 |
7 |
The Arizona Board of Regents on Behalf of the University of Arizona | 1906 |
7 |
Polaris Sensor Technologies, Inc. | 48 |
7 |
Corning Incorporated | 9932 |
6 |
Sony Group Corporation | 10730 |
6 |
Sony Semiconductor Solutions Corporation | 8770 |
5 |
The Boeing Company | 19843 |
4 |
Centre National de La Recherche Scientifique | 9632 |
4 |
FUJIFILM Corporation | 27102 |
4 |
Nikon Corporation | 7162 |
4 |
President and Fellows of Harvard College | 5792 |
4 |
Hamamatsu Photonics K.K. | 4161 |
4 |
Arizona Board of Regents on behalf of Arizona State University | 2226 |
4 |
BAE Systems Information and Electronic Systems Integration Inc. | 1760 |
4 |
DEKA Products Limited Partnership | 1640 |
4 |
Korea Research Institute of Standards and Science | 639 |
4 |
University of Hyogo | 94 |
4 |
Other owners | 273 |