- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensionsmeasuring anglesmeasuring areasmeasuring irregularities of surfaces or contours
- G01B 11/30 - Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
Patent holdings for IPC class G01B 11/30
Total number of patents in this class: 1737
10-year publication summary
|
120
|
138
|
142
|
132
|
117
|
103
|
95
|
106
|
90
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi High-Technologies Corporation | 1993 |
32 |
| KLA-Tencor Corporation | 2525 |
29 |
| ASML Netherlands B.V. | 7663 |
28 |
| Nikon Corporation | 7263 |
23 |
| Magic Leap, Inc. | 3343 |
23 |
| Hitachi High-Tech Corporation | 5571 |
23 |
| Gecko Robotics, Inc. | 125 |
22 |
| NEC Corporation | 36448 |
21 |
| Applied Materials, Inc. | 19683 |
18 |
| Mitutoyo Corporation | 1247 |
18 |
| FUJIFILM Corporation | 30034 |
17 |
| Gelsight, Inc. | 58 |
17 |
| Panasonic Intellectual Property Management Co., Ltd. | 32983 |
15 |
| The Boeing Company | 20106 |
14 |
| Align Technology, Inc. | 2204 |
14 |
| Nippon Steel Corporation | 6595 |
14 |
| Canon Inc. | 41672 |
11 |
| Corning Incorporated | 10390 |
11 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46613 |
10 |
| Mitsubishi Electric Corporation | 47352 |
10 |
| Other owners | 1367 |