- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 7/28 - Systems for automatic generation of focusing signals
Patent holdings for IPC class G02B 7/28
Total number of patents in this class: 1526
10-year publication summary
|
136
|
134
|
158
|
142
|
152
|
107
|
96
|
83
|
80
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
249 |
| Sony Corporation | 32931 |
111 |
| Nikon Corporation | 7162 |
87 |
| Olympus Corporation | 13667 |
86 |
| Canon Inc. | 36841 |
84 |
| Canon Kabushiki Kaisha | 6884 |
81 |
| Panasonic Corporation | 20786 |
62 |
| Sony Group Corporation | 10730 |
42 |
| Samsung Electronics Co., Ltd. | 131630 |
30 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
27 |
| LG Innotek Co., Ltd. | 6758 |
21 |
| Hamamatsu Photonics K.K. | 4161 |
17 |
| OM Digital Solutions Corp. | 706 |
16 |
| Sony Semiconductor Solutions Corporation | 8770 |
14 |
| Qualcomm Incorporated | 76576 |
13 |
| Ricoh Company, Ltd. | 13266 |
12 |
| Sony Olympus Medical Solutions Inc. | 347 |
11 |
| Apple Inc. | 50209 |
10 |
| Leica Biosystems Imaging, Inc. | 237 |
10 |
| SZ DJI Technology Co., Ltd | 6791 |
10 |
| Other owners | 533 |