- 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 13/02 - Viewfinders
Patent holdings for IPC class G03B 13/02
Total number of patents in this class: 188
10-year publication summary
|
17
|
16
|
19
|
24
|
9
|
23
|
12
|
7
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 44051 |
41 |
| FUJIFILM Corporation | 30594 |
37 |
| Sony Corporation | 30111 |
19 |
| Canon Kabushiki Kaisha | 7360 |
9 |
| Sony Group Corporation | 15822 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 34265 |
5 |
| Micron Technology, Inc. | 27636 |
4 |
| Ricoh Imaging Company, Ltd. | 180 |
3 |
| Nikon Corporation | 7230 |
3 |
| Advanced Interconnect Systems Limited | 37 |
3 |
| OM Digital Solutions Corp. | 583 |
3 |
| Samsung Electronics Co., Ltd. | 158442 |
2 |
| Sony Ericsson Mobile Communications AB | 1358 |
2 |
| Olympus Corporation | 12920 |
2 |
| Raytheon Company | 8436 |
2 |
| Rockwell Collins, Inc. | 2545 |
2 |
| Corephotonics Ltd. | 466 |
2 |
| Digilens, Inc. | 237 |
2 |
| Nihon Video System Co., Ltd. | 27 |
2 |
| BlackBerry Limited | 4875 |
1 |
| Other owners | 36 |