- 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 3/50 - Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
Patent holdings for IPC class G01J 3/50
Total number of patents in this class: 1148
10-year publication summary
|
92
|
115
|
113
|
130
|
131
|
117
|
91
|
87
|
56
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Konica Minolta, Inc. | 8349 |
77 |
| Seiko Epson Corporation | 18724 |
55 |
| PPG Industries Ohio, Inc. | 3430 |
29 |
| BASF Coatings GmbH | 1128 |
28 |
| Canon Inc. | 36841 |
20 |
| Gecko Robotics, Inc. | 92 |
17 |
| Samsung Electronics Co., Ltd. | 131630 |
16 |
| Ricoh Company, Ltd. | 13266 |
16 |
| Hewlett-Packard Development Company, L.P. | 28538 |
13 |
| Align Technology, Inc. | 1818 |
13 |
| Axalta Coating Systems IP Co., LLC | 454 |
13 |
| X-Rite Switzerland GmbH | 65 |
13 |
| ams Sensors Germany GmbH | 71 |
12 |
| 3Shape A/S | 396 |
11 |
| Lutron Technology Company LLC | 2300 |
11 |
| Sony Corporation | 32931 |
9 |
| Apple Inc. | 50209 |
8 |
| Microsoft Technology Licensing, LLC | 51439 |
8 |
| Coatings Foreign IP Co. LLC | 143 |
8 |
| Datacolor, Inc. | 32 |
8 |
| Other owners | 763 |