- 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 1/42 - Photometry, e.g. photographic exposure meter using electric radiation detectors
Patent holdings for IPC class G01J 1/42
Total number of patents in this class: 3949
10-year publication summary
|
366
|
404
|
389
|
415
|
400
|
364
|
327
|
346
|
250
|
84
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
72 |
| Apple Inc. | 50209 |
67 |
| Hamamatsu Photonics K.K. | 4161 |
53 |
| ASML Netherlands B.V. | 6816 |
45 |
| ams AG | 807 |
34 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
33 |
| FUJIFILM Corporation | 27102 |
32 |
| Boe Technology Group Co., Ltd. | 35384 |
31 |
| View, Inc. | 792 |
29 |
| Sony Semiconductor Solutions Corporation | 8770 |
29 |
| Canon Inc. | 36841 |
28 |
| Google LLC | 38759 |
27 |
| Microsoft Technology Licensing, LLC | 51439 |
25 |
| ams International AG | 399 |
25 |
| Mitsubishi Electric Corporation | 43934 |
24 |
| Sharp Kabushiki Kaisha | 18957 |
23 |
| Raytheon Company | 8535 |
22 |
| International Business Machines Corporation | 60644 |
20 |
| Carl Zeiss SMT GmbH | 2646 |
20 |
| Sony Corporation | 32931 |
19 |
| Other owners | 3291 |