- 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: 2641
10-year publication summary
|
210
|
222
|
270
|
236
|
271
|
246
|
229
|
217
|
216
|
179
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 41151 |
62 |
| Samsung Electronics Co., Ltd. | 149198 |
61 |
| Hamamatsu Photonics K.K. | 4499 |
60 |
| Sony Semiconductor Solutions Corporation | 10843 |
54 |
| Psiquantum, Corp. | 462 |
51 |
| STMicroelectronics (Research & Development) Limited | 401 |
41 |
| ams International AG | 439 |
37 |
| Apple Inc. | 56466 |
33 |
| Boe Technology Group Co., Ltd. | 41810 |
33 |
| Lutron Technology Company LLC | 2610 |
27 |
| Waymo LLC | 3207 |
23 |
| Sony Corporation | 30769 |
22 |
| Pixart Imaging Inc. | 1683 |
22 |
| STMicroelectronics (Grenoble 2) SAS | 626 |
21 |
| Konica Minolta, Inc. | 8910 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 32504 |
19 |
| Semiconductor Components Industries, L.L.C. | 5297 |
19 |
| Massachusetts Institute of Technology | 10150 |
18 |
| Toshiba Corporation | 12547 |
17 |
| Leica Microsystems CMS GmbH | 1106 |
17 |
| Other owners | 1984 |