- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensionsmeasuring anglesmeasuring areasmeasuring irregularities of surfaces or contours
- G01B 9/02002 - Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies
Patent holdings for IPC class G01B 9/02002
Total number of patents in this class: 47
10-year publication summary
|
1
|
1
|
0
|
1
|
0
|
7
|
11
|
10
|
11
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19316 |
7 |
| ASML Netherlands B.V. | 7355 |
5 |
| The General Hospital Corporation | 4715 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 31201 |
2 |
| ams International AG | 429 |
2 |
| Samsung Electronics Co., Ltd. | 145025 |
1 |
| Applied Materials, Inc. | 18501 |
1 |
| Mitsubishi Electric Corporation | 45946 |
1 |
| Raytheon Company | 8397 |
1 |
| Tsinghua University | 5886 |
1 |
| Hamamatsu Photonics K.K. | 4403 |
1 |
| Duke University | 3065 |
1 |
| Nokia Technologies Oy | 17637 |
1 |
| ADIGE S.p.A. | 53 |
1 |
| Carl Zeiss Industrielle Messtechnik GmbH | 446 |
1 |
| Carnegie Mellon University | 1528 |
1 |
| Harbin Institute of Technology | 436 |
1 |
| Hifi Engineering Inc. | 131 |
1 |
| HRL Laboratories, LLC | 1601 |
1 |
| Medlumics S.L. | 78 |
1 |
| Other owners | 13 |