- All sections
- G - Physics
- G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet lightcolorimetryradiation pyrometry
- G01J 3/50 - Measurement of colourColour measuring devices, e.g. colorimeters using electric radiation detectors
Patent holdings for IPC class G01J 3/50
Total number of patents in this class: 1178
10-year publication summary
|
111
|
111
|
125
|
129
|
112
|
89
|
91
|
54
|
55
|
53
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Konica Minolta, Inc. | 8807 |
84 |
| Seiko Epson Corporation | 19670 |
59 |
| PPG Industries Ohio, Inc. | 3439 |
30 |
| BASF Coatings GmbH | 1205 |
28 |
| Canon Inc. | 40555 |
21 |
| Gecko Robotics, Inc. | 116 |
21 |
| Samsung Electronics Co., Ltd. | 147983 |
17 |
| Ricoh Company, Ltd. | 13384 |
15 |
| Axalta Coating Systems IP Co., LLC | 474 |
15 |
| Lutron Technology Company LLC | 2586 |
14 |
| X-Rite Switzerland GmbH | 51 |
13 |
| ams Sensors Germany GmbH | 87 |
13 |
| 3Shape A/S | 488 |
12 |
| Hewlett-Packard Development Company, L.P. | 25769 |
10 |
| Boe Technology Group Co., Ltd. | 41698 |
10 |
| Sony Corporation | 30910 |
9 |
| Ivoclar Vivadent AG | 1050 |
9 |
| Microsoft Technology Licensing, LLC | 54000 |
8 |
| Coatings Foreign IP Co. LLC | 97 |
8 |
| Datacolor, Inc. | 36 |
8 |
| Other owners | 774 |