- 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: 194
10-year publication summary
|
14
|
17
|
16
|
19
|
24
|
9
|
23
|
11
|
7
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 39960 |
40 |
| FUJIFILM Corporation | 29399 |
37 |
| Sony Corporation | 31036 |
19 |
| Canon Kabushiki Kaisha | 7061 |
9 |
| Cutting Edge Vision LLC | 14 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 31475 |
5 |
| Sony Group Corporation | 13851 |
5 |
| Micron Technology, Inc. | 26238 |
4 |
| Samsung Electronics Co., Ltd. | 146346 |
3 |
| Ricoh Imaging Company, Ltd. | 157 |
3 |
| Nikon Corporation | 7170 |
3 |
| Advanced Interconnect Systems Limited | 56 |
3 |
| OM Digital Solutions Corp. | 608 |
3 |
| Sony Ericsson Mobile Communications AB | 1777 |
2 |
| Olympus Corporation | 13175 |
2 |
| Raytheon Company | 8386 |
2 |
| Rockwell Collins, Inc. | 2499 |
2 |
| Arnold & Richter Cine Technik GmbH & Co. Betriebs KG | 310 |
2 |
| Corephotonics Ltd. | 401 |
2 |
| Digilens, Inc. | 217 |
2 |
| Other owners | 39 |