- 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: 4263
10-year publication summary
|
401
|
378
|
407
|
395
|
361
|
328
|
347
|
258
|
260
|
238
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 149198 |
83 |
| Apple Inc. | 56466 |
81 |
| Hamamatsu Photonics K.K. | 4499 |
54 |
| ASML Netherlands B.V. | 7593 |
48 |
| Panasonic Intellectual Property Management Co., Ltd. | 32504 |
38 |
| Sony Semiconductor Solutions Corporation | 10843 |
35 |
| ams AG | 767 |
34 |
| FUJIFILM Corporation | 29839 |
32 |
| Boe Technology Group Co., Ltd. | 41810 |
32 |
| Canon Inc. | 41151 |
30 |
| Google LLC | 43134 |
30 |
| View Operating Corporation | 538 |
27 |
| Microsoft Technology Licensing, LLC | 54340 |
25 |
| ams International AG | 439 |
25 |
| Psiquantum, Corp. | 462 |
24 |
| Mitsubishi Electric Corporation | 46973 |
23 |
| Sharp Kabushiki Kaisha | 18615 |
23 |
| Lutron Technology Company LLC | 2610 |
23 |
| Raytheon Company | 8447 |
22 |
| Carl Zeiss SMT GmbH | 3091 |
22 |
| Other owners | 3552 |