- All sections
- G - Physics
- G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet lightcolorimetryradiation pyrometry
- G01J 1/44 - Electric circuits
Patent holdings for IPC class G01J 1/44
Total number of patents in this class: 2736
10-year publication summary
|
229
|
273
|
241
|
274
|
248
|
232
|
223
|
224
|
186
|
101
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 43768 |
67 |
| Samsung Electronics Co., Ltd. | 157557 |
64 |
| Hamamatsu Photonics K.K. | 4669 |
61 |
| Sony Semiconductor Solutions Corporation | 11551 |
60 |
| Psiquantum, Corp. | 548 |
58 |
| STMicroelectronics (Research & Development) Limited | 391 |
41 |
| ams International AG | 446 |
37 |
| Boe Technology Group Co., Ltd. | 44004 |
34 |
| Apple Inc. | 58705 |
33 |
| Lutron Technology Company LLC | 2748 |
27 |
| Waymo LLC | 3307 |
23 |
| Sony Corporation | 30208 |
22 |
| Pixart Imaging Inc. | 1725 |
22 |
| Konica Minolta, Inc. | 9116 |
21 |
| Semiconductor Components Industries, L.L.C. | 5264 |
21 |
| STMicroelectronics (Grenoble 2) SAS | 631 |
21 |
| LG Innotek Co., Ltd. | 8453 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
19 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48248 |
18 |
| Massachusetts Institute of Technology | 10239 |
18 |
| Other owners | 2049 |