- All sections
- G - Physics
- G03B - Apparatus or arrangements for taking photographs or for projecting or viewing themapparatus or arrangements employing analogous techniques using waves other than optical wavesaccessories therefor
- G03B 13/32 - Means for focusing
Patent holdings for IPC class G03B 13/32
Total number of patents in this class: 291
10-year publication summary
|
16
|
23
|
26
|
28
|
27
|
36
|
23
|
24
|
19
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 40095 |
28 |
| LG Innotek Co., Ltd. | 7667 |
20 |
| Samsung Electronics Co., Ltd. | 146811 |
12 |
| FUJIFILM Corporation | 29437 |
11 |
| Nikon Corporation | 7177 |
11 |
| Huawei Technologies Co., Ltd. | 113064 |
9 |
| Sony Corporation | 31025 |
8 |
| Genius Electronic Optical Co., Ltd. | 177 |
8 |
| SZ DJI Technology Co., Ltd | 6850 |
8 |
| OM Digital Solutions Corp. | 607 |
7 |
| Corephotonics Ltd. | 404 |
6 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21084 |
6 |
| NingBo Sunny Opotech Co.,Ltd. | 624 |
6 |
| Maxell, Ltd. | 2804 |
6 |
| Qualcomm Incorporated | 85833 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
4 |
| Magna Electronics Inc. | 1384 |
4 |
| Maxell Holdings, Ltd. | 1306 |
4 |
| LG Electronics Inc. | 73344 |
3 |
| Olympus Corporation | 13174 |
3 |
| Other owners | 123 |