- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 21/57 - Measuring gloss
Patent holdings for IPC class G01N 21/57
Total number of patents in this class: 256
10-year publication summary
|
21
|
17
|
22
|
27
|
25
|
16
|
18
|
12
|
13
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Konica Minolta, Inc. | 8729 |
32 |
| Canon Inc. | 39888 |
12 |
| Ricoh Company, Ltd. | 13247 |
12 |
| Axalta Coating Systems IP Co., LLC | 476 |
10 |
| BYK-Gardner GmbH | 110 |
9 |
| X-Rite Switzerland GmbH | 53 |
7 |
| Honeywell International Inc. | 13545 |
5 |
| Coatings Foreign IP Co. LLC | 141 |
5 |
| Nissan Motor Co., Ltd. | 12484 |
4 |
| PPG Industries Ohio, Inc. | 3455 |
4 |
| Canon Kabushiki Kaisha | 7056 |
4 |
| Sony Group Corporation | 13815 |
4 |
| Columbia Insurance Company | 1523 |
3 |
| FUJIFILM Corporation | 29367 |
3 |
| Koninklijke Philips Electronics N.V. | 9658 |
3 |
| Henkel AG & Co. KGaA | 10572 |
3 |
| BASF Coatings GmbH | 1197 |
3 |
| Bobst Mex SA | 585 |
3 |
| Carl Zeiss Spectroscopy GmbH | 33 |
3 |
| Hunter Associates Laboratory, Inc. | 23 |
3 |
| Other owners | 124 |