- 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: 4391
10-year publication summary
|
389
|
415
|
400
|
365
|
332
|
350
|
266
|
271
|
254
|
133
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 158605 |
86 |
| Apple Inc. | 59117 |
82 |
| Hamamatsu Photonics K.K. | 4695 |
62 |
| ASML Netherlands B.V. | 7987 |
49 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
40 |
| Sony Semiconductor Solutions Corporation | 11764 |
40 |
| ams AG | 769 |
34 |
| Boe Technology Group Co., Ltd. | 44484 |
34 |
| FUJIFILM Corporation | 30628 |
32 |
| Canon Inc. | 44134 |
31 |
| Google LLC | 44674 |
30 |
| View Operating Corporation | 566 |
27 |
| Psiquantum, Corp. | 558 |
26 |
| Microsoft Technology Licensing, LLC | 54524 |
25 |
| ams International AG | 447 |
25 |
| Mitsubishi Electric Corporation | 48236 |
23 |
| Carl Zeiss SMT GmbH | 3356 |
23 |
| Sharp Kabushiki Kaisha | 18495 |
23 |
| Lutron Technology Company LLC | 2767 |
23 |
| The Boeing Company | 20196 |
22 |
| Other owners | 3654 |