- All sections
- G - Physics
- G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light; colorimetry; radiation pyrometry
- G01J 1/44 - Electric circuits
Patent holdings for IPC class G01J 1/44
Total number of patents in this class: 2334
10-year publication summary
|
116
|
213
|
229
|
273
|
240
|
274
|
243
|
217
|
203
|
62
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4161 |
53 |
| Samsung Electronics Co., Ltd. | 131630 |
51 |
| Canon Inc. | 36841 |
49 |
| STMicroelectronics (Research & Development) Limited | 422 |
39 |
| Sony Semiconductor Solutions Corporation | 8770 |
36 |
| Psiquantum, Corp. | 300 |
35 |
| ams International AG | 399 |
32 |
| Apple Inc. | 50209 |
30 |
| Boe Technology Group Co., Ltd. | 35384 |
28 |
| Sony Corporation | 32931 |
24 |
| Waymo LLC | 2816 |
21 |
| Lutron Technology Company LLC | 2300 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
19 |
| STMicroelectronics (Grenoble 2) SAS | 587 |
18 |
| Sharp Corporation | 10015 |
17 |
| Massachusetts Institute of Technology | 9795 |
17 |
| Konica Minolta, Inc. | 8349 |
17 |
| Semiconductor Components Industries, L.L.C. | 5345 |
17 |
| Leica Microsystems CMS GmbH | 1034 |
17 |
| Pixart Imaging Inc. | 1581 |
17 |
| Other owners | 1777 |