- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensionsmeasuring anglesmeasuring areasmeasuring irregularities of surfaces or contours
- G01B 11/28 - Measuring arrangements characterised by the use of optical techniques for measuring areas
Patent holdings for IPC class G01B 11/28
Total number of patents in this class: 305
10-year publication summary
|
26
|
23
|
22
|
18
|
18
|
17
|
17
|
13
|
15
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 18746 |
9 |
| KLA-Tencor Corporation | 2544 |
9 |
| NEC Corporation | 35778 |
7 |
| Pictometry International Corp. | 195 |
7 |
| Siemens Industry, Inc. | 1462 |
6 |
| Samsung Electronics Co., Ltd. | 146811 |
4 |
| Kateeva, Inc. | 394 |
4 |
| Leavitt Medical, Inc. | 40 |
4 |
| Mitutoyo Corporation | 1248 |
4 |
| General Electric Company | 13810 |
3 |
| Halliburton Energy Services, Inc. | 20911 |
3 |
| Nippon Telegraph and Telephone Corporation | 17362 |
3 |
| Onto Innovation Inc. | 358 |
3 |
| LG Energy Solution, Ltd. | 15119 |
3 |
| Continental Autonomous Mobility US, LLC | 280 |
3 |
| Xerox Corporation | 7002 |
2 |
| Pratt & Whitney Canada Corp. | 4793 |
2 |
| Toshiba Corporation | 12367 |
2 |
| Panasonic Corporation | 20088 |
2 |
| Texas Instruments Incorporated | 19443 |
2 |
| Other owners | 223 |