- 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
|
46
|
33
|
50
|
42
|
31
|
22
|
24
|
19
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitutoyo Corporation | 1250 |
66 |
| Tokyo Seimitsu Co., Ltd. | 336 |
34 |
| Renishaw plc | 763 |
14 |
| Essilor International (compagnie Generale D'optique) | 3000 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 8694 |
8 |
| Nidek Co., Ltd. | 342 |
8 |
| Hoya Corporation | 2743 |
7 |
| Carl Mahr Holding GmbH | 111 |
7 |
| CITIC Dicastal CO., LTD | 558 |
7 |
| Gleason Metrology Systems Corporation | 20 |
5 |
| Siemens AG | 24520 |
4 |
| Dalian University of Technology | 1517 |
4 |
| Marposs, S.p.A. | 136 |
4 |
| Safran Aircraft Engines | 6270 |
4 |
| Tenova S.p.A. | 156 |
4 |
| General Electric Company | 13811 |
3 |
| The Boeing Company | 20042 |
3 |
| Robert Bosch GmbH | 42632 |
3 |
| Caterpillar Inc. | 9530 |
3 |
| Rolls-Royce PLC | 3085 |
3 |
| Other owners | 273 |