- 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: 1443
10-year publication summary
|
102
|
106
|
137
|
96
|
108
|
113
|
88
|
83
|
74
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF Coatings GmbH | 1205 |
60 |
| Konica Minolta, Inc. | 8993 |
54 |
| PPG Industries Ohio, Inc. | 3382 |
50 |
| Seiko Epson Corporation | 19895 |
37 |
| Hewlett-Packard Development Company, L.P. | 25419 |
36 |
| Axalta Coating Systems IP Co., LLC | 469 |
30 |
| Ricoh Company, Ltd. | 13314 |
19 |
| X-Rite, Inc. | 70 |
17 |
| Canon Inc. | 41984 |
16 |
| Akzo Nobel Coatings International B.V. | 2047 |
16 |
| L'OREAL, Société Anonyme | 16100 |
15 |
| FUJIFILM Corporation | 30137 |
15 |
| Samsung Electronics Co., Ltd. | 152534 |
14 |
| Lutron Technology Company LLC | 2689 |
13 |
| Coloright Ltd. | 26 |
12 |
| Datacolor, Inc. | 39 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 33202 |
11 |
| Henkel AG & Co. KGaA | 10714 |
11 |
| X-Rite Switzerland GmbH | 50 |
11 |
| E. I. du Pont de Nemours and Company | 3744 |
9 |
| Other owners | 985 |