- 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: 906
10-year publication summary
|
113
|
102
|
81
|
105
|
81
|
49
|
49
|
33
|
24
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
241 |
| Canon Inc. | 36841 |
113 |
| Sony Corporation | 32931 |
110 |
| Nikon Corporation | 7162 |
107 |
| Canon Kabushiki Kaisha | 6884 |
85 |
| Olympus Corporation | 13667 |
65 |
| Sony Semiconductor Solutions Corporation | 8770 |
41 |
| Sony Group Corporation | 10730 |
28 |
| Panasonic Corporation | 20786 |
22 |
| OM Digital Solutions Corp. | 706 |
7 |
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| Google LLC | 38759 |
5 |
| Sony Olympus Medical Solutions Inc. | 347 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Ricoh Company, Ltd. | 13266 |
3 |
| Hamamatsu Photonics K.K. | 4161 |
3 |
| Qualcomm Incorporated | 76576 |
2 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
2 |
| Ricoh Imaging Company, Ltd. | 153 |
2 |
| Denso Wave Incorporated | 365 |
2 |
| Other owners | 53 |