- 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: 486
10-year publication summary
|
46
|
33
|
50
|
42
|
31
|
22
|
25
|
21
|
15
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitutoyo Corporation | 1262 |
64 |
| Tokyo Seimitsu Co., Ltd. | 396 |
35 |
| Renishaw plc | 761 |
12 |
| Essilor International (compagnie Generale D'optique) | 2999 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 9099 |
8 |
| Nidek Co., Ltd. | 340 |
8 |
| Hoya Corporation | 2720 |
7 |
| Carl Mahr Holding GmbH | 103 |
7 |
| CITIC Dicastal CO., LTD | 568 |
7 |
| Safran Aircraft Engines | 6664 |
6 |
| Gleason Metrology Systems Corporation | 21 |
5 |
| Siemens AG | 24050 |
4 |
| Dalian University of Technology | 1592 |
4 |
| Gelsight, Inc. | 62 |
4 |
| Marposs, S.p.A. | 140 |
4 |
| Tenova S.p.A. | 158 |
4 |
| General Electric Company | 13894 |
3 |
| The Boeing Company | 20153 |
3 |
| Robert Bosch GmbH | 44094 |
3 |
| Industrial Technology Research Institute | 5213 |
3 |
| Other owners | 285 |