- All sections
- G - Physics
- G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet lightcolorimetryradiation 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: 4321
10-year publication summary
|
389
|
415
|
400
|
365
|
332
|
350
|
263
|
267
|
250
|
72
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 154406 |
87 |
| Apple Inc. | 58181 |
82 |
| Hamamatsu Photonics K.K. | 4613 |
57 |
| ASML Netherlands B.V. | 7762 |
49 |
| Panasonic Intellectual Property Management Co., Ltd. | 33634 |
39 |
| Sony Semiconductor Solutions Corporation | 11281 |
36 |
| ams AG | 757 |
34 |
| Boe Technology Group Co., Ltd. | 43120 |
33 |
| FUJIFILM Corporation | 30294 |
32 |
| Canon Inc. | 42406 |
31 |
| Google LLC | 43952 |
30 |
| View Operating Corporation | 559 |
27 |
| Microsoft Technology Licensing, LLC | 54243 |
25 |
| ams International AG | 443 |
25 |
| Psiquantum, Corp. | 515 |
25 |
| Mitsubishi Electric Corporation | 47655 |
23 |
| Carl Zeiss SMT GmbH | 3235 |
23 |
| Sharp Kabushiki Kaisha | 18623 |
23 |
| Lutron Technology Company LLC | 2725 |
23 |
| Raytheon Company | 8465 |
22 |
| Other owners | 3595 |