- 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: 2691
10-year publication summary
|
222
|
270
|
237
|
271
|
246
|
229
|
218
|
220
|
182
|
48
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 42224 |
63 |
| Samsung Electronics Co., Ltd. | 153573 |
62 |
| Hamamatsu Photonics K.K. | 4595 |
60 |
| Sony Semiconductor Solutions Corporation | 11206 |
56 |
| Psiquantum, Corp. | 507 |
53 |
| STMicroelectronics (Research & Development) Limited | 394 |
41 |
| ams International AG | 443 |
37 |
| Boe Technology Group Co., Ltd. | 42901 |
34 |
| Apple Inc. | 58049 |
33 |
| Lutron Technology Company LLC | 2719 |
27 |
| Waymo LLC | 3246 |
23 |
| Sony Corporation | 30440 |
22 |
| Pixart Imaging Inc. | 1714 |
22 |
| Semiconductor Components Industries, L.L.C. | 5262 |
21 |
| STMicroelectronics (Grenoble 2) SAS | 631 |
21 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
20 |
| Konica Minolta, Inc. | 9021 |
20 |
| LG Innotek Co., Ltd. | 8163 |
20 |
| Massachusetts Institute of Technology | 10196 |
18 |
| Toshiba Corporation | 12693 |
17 |
| Other owners | 2021 |