- 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: 905
10-year publication summary
|
102
|
81
|
105
|
81
|
49
|
49
|
33
|
25
|
18
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29295 |
243 |
| Nikon Corporation | 7168 |
111 |
| Canon Inc. | 39660 |
109 |
| Sony Corporation | 31107 |
108 |
| Canon Kabushiki Kaisha | 7051 |
84 |
| Olympus Corporation | 13187 |
64 |
| Sony Semiconductor Solutions Corporation | 10380 |
42 |
| Sony Group Corporation | 13661 |
30 |
| Panasonic Corporation | 20142 |
22 |
| Samsung Electronics Co., Ltd. | 145025 |
6 |
| Google LLC | 42004 |
6 |
| Sony Olympus Medical Solutions Inc. | 370 |
5 |
| OM Digital Solutions Corp. | 610 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 31201 |
4 |
| Hamamatsu Photonics K.K. | 4403 |
3 |
| Qualcomm Incorporated | 84847 |
2 |
| Ricoh Imaging Company, Ltd. | 157 |
2 |
| Denso Wave Incorporated | 391 |
2 |
| Consiglio Nazionale delle Ricerche (cnr) | 34 |
2 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20840 |
2 |
| Other owners | 53 |