- 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: 1161
10-year publication summary
|
115
|
113
|
130
|
131
|
117
|
93
|
92
|
56
|
56
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Konica Minolta, Inc. | 8729 |
81 |
| Seiko Epson Corporation | 19352 |
59 |
| PPG Industries Ohio, Inc. | 3455 |
30 |
| BASF Coatings GmbH | 1197 |
28 |
| Canon Inc. | 39888 |
21 |
| Gecko Robotics, Inc. | 110 |
21 |
| Samsung Electronics Co., Ltd. | 146092 |
17 |
| Ricoh Company, Ltd. | 13247 |
15 |
| Axalta Coating Systems IP Co., LLC | 476 |
14 |
| Lutron Technology Company LLC | 2542 |
14 |
| X-Rite Switzerland GmbH | 53 |
13 |
| ams Sensors Germany GmbH | 86 |
13 |
| 3Shape A/S | 473 |
12 |
| Hewlett-Packard Development Company, L.P. | 25895 |
10 |
| Sony Corporation | 31052 |
9 |
| Boe Technology Group Co., Ltd. | 41139 |
9 |
| Ivoclar Vivadent AG | 1053 |
9 |
| Microsoft Technology Licensing, LLC | 53720 |
8 |
| Akzo Nobel Coatings International B.V. | 2084 |
8 |
| Coatings Foreign IP Co. LLC | 141 |
8 |
| Other owners | 762 |