- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensionsmeasuring anglesmeasuring areasmeasuring irregularities of surfaces or contours
- G01B 5/20 - Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
Patent holdings for IPC class G01B 5/20
Total number of patents in this class: 477
10-year publication summary
|
38
|
44
|
32
|
49
|
42
|
31
|
22
|
22
|
19
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitutoyo Corporation | 1247 |
65 |
| Tokyo Seimitsu Co., Ltd. | 376 |
33 |
| Renishaw plc | 766 |
14 |
| Essilor International (compagnie Generale D'optique) | 2986 |
12 |
| Mitsubishi Heavy Industries, Ltd. | 8910 |
8 |
| Nidek Co., Ltd. | 339 |
8 |
| Hoya Corporation | 2761 |
7 |
| Carl Mahr Holding GmbH | 111 |
7 |
| CITIC Dicastal CO., LTD | 565 |
7 |
| Gleason Metrology Systems Corporation | 20 |
5 |
| Siemens AG | 24323 |
4 |
| Dalian University of Technology | 1544 |
4 |
| Klingelnberg AG | 83 |
4 |
| Marposs, S.p.A. | 144 |
4 |
| Safran Aircraft Engines | 6420 |
4 |
| Tenova S.p.A. | 155 |
4 |
| General Electric Company | 13827 |
3 |
| The Boeing Company | 20052 |
3 |
| Robert Bosch GmbH | 43114 |
3 |
| Caterpillar Inc. | 9866 |
3 |
| Other owners | 275 |