- 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 3/46 - Measurement of colour; Colour measuring devices, e.g. colorimeters
Patent holdings for IPC class G01J 3/46
Total number of patents in this class: 1373
10-year publication summary
|
146
|
116
|
108
|
108
|
141
|
104
|
116
|
111
|
86
|
22
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF Coatings GmbH | 1128 |
56 |
| Konica Minolta, Inc. | 8349 |
47 |
| PPG Industries Ohio, Inc. | 3430 |
44 |
| Hewlett-Packard Development Company, L.P. | 28538 |
39 |
| Seiko Epson Corporation | 18724 |
34 |
| Axalta Coating Systems IP Co., LLC | 454 |
26 |
| X-Rite, Inc. | 89 |
26 |
| Ricoh Company, Ltd. | 13266 |
17 |
| Akzo Nobel Coatings International B.V. | 2185 |
17 |
| Align Technology, Inc. | 1818 |
16 |
| L'OREAL, Société Anonyme | 14722 |
15 |
| FUJIFILM Corporation | 27102 |
15 |
| X-Rite Switzerland GmbH | 65 |
14 |
| Samsung Electronics Co., Ltd. | 131630 |
12 |
| Coloright Ltd. | 27 |
12 |
| Datacolor, Inc. | 32 |
12 |
| E. I. du Pont de Nemours and Company | 4345 |
11 |
| Canon Inc. | 36841 |
11 |
| Henkel AG & Co. KGaA | 10129 |
10 |
| Lutron Technology Company LLC | 2300 |
10 |
| Other owners | 929 |