- 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: 304
10-year publication summary
|
26
|
23
|
18
|
18
|
17
|
17
|
14
|
17
|
11
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KLA-Tencor Corporation | 2518 |
9 |
| NEC Corporation | 37064 |
8 |
| Pictometry International Corp. | 194 |
7 |
| Applied Materials, Inc. | 20438 |
6 |
| Siemens Industry, Inc. | 1582 |
6 |
| General Electric Company | 13908 |
4 |
| Kateeva, Inc. | 394 |
4 |
| Leavitt Medical, Inc. | 45 |
4 |
| Mitutoyo Corporation | 1260 |
4 |
| Samsung Electronics Co., Ltd. | 158156 |
3 |
| Halliburton Energy Services, Inc. | 21305 |
3 |
| Nippon Telegraph and Telephone Corporation | 15928 |
3 |
| LG Energy Solution, Ltd. | 19136 |
3 |
| The Boeing Company | 20168 |
2 |
| Pratt & Whitney Canada Corp. | 5511 |
2 |
| Toshiba Corporation | 12577 |
2 |
| Panasonic Corporation | 18951 |
2 |
| FUJIFILM Corporation | 30543 |
2 |
| Texas Instruments Incorporated | 19647 |
2 |
| Industrial Technology Research Institute | 5205 |
2 |
| Other owners | 226 |