- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 7/34 - Systems for automatic generation of focusing signals using different areas in a pupil plane
Patent holdings for IPC class G02B 7/34
Total number of patents in this class: 914
10-year publication summary
|
81
|
105
|
81
|
49
|
49
|
33
|
25
|
19
|
18
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30512 |
246 |
| Nikon Corporation | 7235 |
112 |
| Canon Inc. | 43768 |
111 |
| Sony Corporation | 30208 |
107 |
| Canon Kabushiki Kaisha | 7307 |
84 |
| Olympus Corporation | 12942 |
64 |
| Sony Semiconductor Solutions Corporation | 11551 |
44 |
| Sony Group Corporation | 15597 |
30 |
| Panasonic Corporation | 19060 |
21 |
| Samsung Electronics Co., Ltd. | 157557 |
6 |
| Google LLC | 44482 |
6 |
| Sony Olympus Medical Solutions Inc. | 385 |
5 |
| OM Digital Solutions Corp. | 588 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
4 |
| Hamamatsu Photonics K.K. | 4669 |
3 |
| Qualcomm Incorporated | 91997 |
2 |
| Ricoh Imaging Company, Ltd. | 179 |
2 |
| Denso Wave Incorporated | 400 |
2 |
| Applied Materials Israel, Ltd. | 675 |
2 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23266 |
2 |
| Other owners | 56 |