- All sections
- G - Physics
- G01B - Measuring length, thickness or similar linear dimensionsmeasuring anglesmeasuring areasmeasuring irregularities of surfaces or contours
- G01B 9/02 - Interferometers
Patent holdings for IPC class G01B 9/02
Total number of patents in this class: 4717
10-year publication summary
|
392
|
405
|
389
|
344
|
302
|
230
|
161
|
161
|
126
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The General Hospital Corporation | 4809 |
100 |
| Carl Zeiss SMT GmbH | 3190 |
75 |
| Hamamatsu Photonics K.K. | 4591 |
72 |
| Canon Inc. | 42051 |
71 |
| Carl Zeiss Meditec AG | 1667 |
66 |
| Zygo Corporation | 170 |
65 |
| ASML Netherlands B.V. | 7697 |
57 |
| Carl Zeiss Meditec, Inc. | 273 |
52 |
| Mitutoyo Corporation | 1248 |
41 |
| KLA-Tencor Corporation | 2524 |
39 |
| Nikon Corporation | 7256 |
36 |
| The Regents of the University of California | 20494 |
33 |
| Canon Kabushiki Kaisha | 7205 |
32 |
| Apple Inc. | 57718 |
30 |
| Alcon, Inc. | 5663 |
30 |
| Kabushiki Kaisha Topcon | 565 |
28 |
| Samsung Electronics Co., Ltd. | 152716 |
27 |
| Massachusetts Institute of Technology | 10201 |
27 |
| Corning Incorporated | 10413 |
27 |
| Intuitive Surgical Operations, Inc. | 4279 |
27 |
| Other owners | 3782 |