- All sections
- G - Physics
- G03B - Apparatus or arrangements for taking photographs or for projecting or viewing them; apparatus or arrangements employing analogous techniques using waves other than optical waves; accessories 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: 88
10-year publication summary
|
13
|
9
|
6
|
9
|
5
|
4
|
2
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
15 |
| Nikon Corporation | 7162 |
12 |
| Ricoh Imaging Company, Ltd. | 153 |
9 |
| Sony Corporation | 32931 |
5 |
| Pentax Ricoh Imaging Company, Ltd. | 132 |
5 |
| Olympus Corporation | 13667 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| FUJIFILM Corporation | 27102 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Apple Inc. | 50209 |
2 |
| Panasonic Corporation | 20786 |
2 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
2 |
| Leica Camera AG | 271 |
2 |
| OM Digital Solutions Corp. | 706 |
2 |
| Intel Corporation | 45621 |
1 |
| Huawei Technologies Co., Ltd. | 100781 |
1 |
| Olympus Medical Systems Corp. | 1661 |
1 |
| Rohm Co., Ltd. | 5843 |
1 |
| California Institute of Technology | 3884 |
1 |
| Wistron Corporation | 2270 |
1 |
| Other owners | 12 |