- 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 19/12 - Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
Patent holdings for IPC class G03B 19/12
Total number of patents in this class: 82
10-year publication summary
|
9
|
6
|
9
|
5
|
4
|
2
|
1
|
1
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nikon Corporation | 7177 |
13 |
| Canon Inc. | 40095 |
11 |
| Ricoh Imaging Company, Ltd. | 157 |
8 |
| Sony Corporation | 31025 |
5 |
| Pentax Ricoh Imaging Company, Ltd. | 114 |
5 |
| Olympus Corporation | 13174 |
4 |
| Samsung Electronics Co., Ltd. | 146811 |
3 |
| FUJIFILM Corporation | 29437 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
3 |
| Apple Inc. | 55174 |
2 |
| Panasonic Corporation | 20088 |
2 |
| Leica Camera AG | 283 |
2 |
| OM Digital Solutions Corp. | 607 |
2 |
| Matsushita Electric Industrial Co., Ltd. | 1411 |
1 |
| Intel Corporation | 47033 |
1 |
| Huawei Technologies Co., Ltd. | 113064 |
1 |
| Olympus Medical Systems Corp. | 1798 |
1 |
| Rohm Co., Ltd. | 6471 |
1 |
| California Institute of Technology | 3977 |
1 |
| Wistron Corporation | 2329 |
1 |
| Other owners | 12 |