- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 7/38 - Systems for automatic generation of focusing signals using image sharpness techniques measured at different points on the optical axis
Patent holdings for IPC class G02B 7/38
Total number of patents in this class: 219
10-year publication summary
|
22
|
39
|
27
|
20
|
25
|
19
|
21
|
12
|
8
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
12 |
| FUJIFILM Corporation | 27102 |
12 |
| Sony Corporation | 32931 |
11 |
| Olympus Corporation | 13667 |
10 |
| Nikon Corporation | 7162 |
9 |
| S.D. Sight Diagnostics Ltd. | 96 |
7 |
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| KLA-Tencor Corporation | 2574 |
6 |
| Leica Microsystems CMS GmbH | 1034 |
6 |
| Leica Biosystems Imaging, Inc. | 237 |
5 |
| Molecular Devices, LLC | 227 |
4 |
| Nanotronics Imaging, Inc. | 189 |
4 |
| Sony Semiconductor Solutions Corporation | 8770 |
4 |
| OM Digital Solutions Corp. | 706 |
4 |
| Sony Group Corporation | 10730 |
4 |
| Huawei Technologies Co., Ltd. | 100781 |
3 |
| Carl Zeiss Microscopy GmbH | 1146 |
3 |
| Mitutoyo Corporation | 1218 |
3 |
| Ventana Medical Systems, Inc. | 972 |
3 |
| Qualcomm Incorporated | 76576 |
2 |
| Other owners | 101 |