- 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: 245
10-year publication summary
|
23
|
21
|
17
|
22
|
27
|
25
|
17
|
16
|
13
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Konica Minolta, Inc. | 8349 |
31 |
| Ricoh Company, Ltd. | 13266 |
12 |
| Canon Inc. | 36841 |
11 |
| Axalta Coating Systems IP Co., LLC | 454 |
9 |
| X-Rite Switzerland GmbH | 65 |
7 |
| Coatings Foreign IP Co. LLC | 143 |
5 |
| Canon Kabushiki Kaisha | 6884 |
5 |
| Honeywell International Inc. | 13799 |
4 |
| PPG Industries Ohio, Inc. | 3430 |
4 |
| BASF Coatings GmbH | 1128 |
4 |
| BYK-Gardner GmbH | 105 |
4 |
| Columbia Insurance Company | 1569 |
3 |
| FUJIFILM Corporation | 27102 |
3 |
| Koninklijke Philips Electronics N.V. | 13133 |
3 |
| Nissan Motor Co., Ltd. | 12249 |
3 |
| Henkel AG & Co. KGaA | 10129 |
3 |
| Bobst Mex SA | 542 |
3 |
| Carl Zeiss Spectroscopy GmbH | 30 |
3 |
| Hunter Associates Laboratory, Inc. | 22 |
3 |
| RENAULT s.a.s. | 5674 |
3 |
| Other owners | 122 |