- 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: 297
10-year publication summary
|
23
|
26
|
28
|
27
|
36
|
23
|
24
|
20
|
19
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 41739 |
28 |
| LG Innotek Co., Ltd. | 8062 |
20 |
| Samsung Electronics Co., Ltd. | 151726 |
14 |
| Nikon Corporation | 7266 |
12 |
| FUJIFILM Corporation | 30063 |
11 |
| Huawei Technologies Co., Ltd. | 118321 |
10 |
| Sony Corporation | 30578 |
8 |
| Genius Electronic Optical Co., Ltd. | 178 |
8 |
| SZ DJI Technology Co., Ltd | 6886 |
8 |
| Corephotonics Ltd. | 439 |
7 |
| NingBo Sunny Opotech Co.,Ltd. | 652 |
7 |
| OM Digital Solutions Corp. | 595 |
7 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22164 |
6 |
| Maxell, Ltd. | 2913 |
6 |
| Qualcomm Incorporated | 88980 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 33033 |
4 |
| Magna Electronics Inc. | 1395 |
4 |
| Maxell Holdings, Ltd. | 1270 |
4 |
| LG Electronics Inc. | 74447 |
3 |
| Olympus Corporation | 13058 |
3 |
| Other owners | 123 |