- All sections
- G - Physics
- G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet lightcolorimetryradiation pyrometry
- G01J 3/46 - Measurement of colourColour measuring devices, e.g. colorimeters
Patent holdings for IPC class G01J 3/46
Total number of patents in this class: 1418
10-year publication summary
|
116
|
108
|
108
|
141
|
105
|
117
|
118
|
89
|
80
|
44
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF Coatings GmbH | 1198 |
60 |
| Konica Minolta, Inc. | 8722 |
51 |
| PPG Industries Ohio, Inc. | 3460 |
51 |
| Seiko Epson Corporation | 19327 |
37 |
| Hewlett-Packard Development Company, L.P. | 25881 |
36 |
| Axalta Coating Systems IP Co., LLC | 476 |
30 |
| X-Rite, Inc. | 75 |
19 |
| Ricoh Company, Ltd. | 13242 |
18 |
| Akzo Nobel Coatings International B.V. | 2085 |
17 |
| L'OREAL, Société Anonyme | 15460 |
15 |
| Canon Inc. | 39818 |
15 |
| FUJIFILM Corporation | 29350 |
15 |
| Samsung Electronics Co., Ltd. | 145864 |
13 |
| Lutron Technology Company LLC | 2540 |
13 |
| Coloright Ltd. | 26 |
12 |
| Datacolor, Inc. | 35 |
12 |
| X-Rite Switzerland GmbH | 53 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
11 |
| Henkel AG & Co. KGaA | 10567 |
11 |
| E. I. du Pont de Nemours and Company | 4086 |
10 |
| Other owners | 960 |