- 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: 4187
10-year publication summary
|
404
|
389
|
415
|
400
|
365
|
331
|
351
|
260
|
259
|
150
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 145864 |
81 |
| Apple Inc. | 54773 |
81 |
| Hamamatsu Photonics K.K. | 4413 |
53 |
| ASML Netherlands B.V. | 7381 |
46 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
37 |
| ams AG | 776 |
34 |
| Sony Semiconductor Solutions Corporation | 10430 |
33 |
| FUJIFILM Corporation | 29350 |
32 |
| Boe Technology Group Co., Ltd. | 41047 |
32 |
| Canon Inc. | 39818 |
30 |
| Google LLC | 42135 |
28 |
| Microsoft Technology Licensing, LLC | 53693 |
27 |
| View Operating Corporation | 522 |
27 |
| ams International AG | 430 |
25 |
| Mitsubishi Electric Corporation | 46037 |
23 |
| Sharp Kabushiki Kaisha | 18764 |
23 |
| Lutron Technology Company LLC | 2540 |
23 |
| Raytheon Company | 8393 |
22 |
| Psiquantum, Corp. | 417 |
22 |
| Carl Zeiss SMT GmbH | 2976 |
21 |
| Other owners | 3487 |