- 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: 1204
10-year publication summary
|
113
|
130
|
131
|
117
|
93
|
93
|
58
|
56
|
60
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Konica Minolta, Inc. | 9116 |
92 |
| Seiko Epson Corporation | 20248 |
60 |
| PPG Industries Ohio, Inc. | 3329 |
30 |
| BASF Coatings GmbH | 1184 |
28 |
| Gecko Robotics, Inc. | 136 |
23 |
| Canon Inc. | 43768 |
21 |
| Samsung Electronics Co., Ltd. | 157557 |
18 |
| Ricoh Company, Ltd. | 13346 |
15 |
| Axalta Coating Systems IP Co., LLC | 474 |
15 |
| Lutron Technology Company LLC | 2748 |
14 |
| ams Sensors Germany GmbH | 92 |
13 |
| 3Shape A/S | 544 |
13 |
| X-Rite Switzerland GmbH | 46 |
12 |
| Boe Technology Group Co., Ltd. | 44004 |
11 |
| Hewlett-Packard Development Company, L.P. | 25216 |
10 |
| Ivoclar Vivadent AG | 1047 |
10 |
| Datacolor, Inc. | 39 |
9 |
| Sony Corporation | 30208 |
8 |
| Microsoft Technology Licensing, LLC | 54439 |
8 |
| Coatings Foreign IP Co. LLC | 96 |
8 |
| Other owners | 786 |