- 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 17/18 - Signals indicating condition of a camera member or suitability of light
Patent holdings for IPC class G03B 17/18
Total number of patents in this class: 782
10-year publication summary
|
47
|
60
|
77
|
63
|
76
|
51
|
56
|
38
|
22
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29489 |
174 |
| Sony Corporation | 30979 |
117 |
| Canon Kabushiki Kaisha | 7066 |
53 |
| Canon Inc. | 40216 |
52 |
| Sony Group Corporation | 14002 |
49 |
| Nikon Corporation | 7200 |
41 |
| Olympus Corporation | 13161 |
30 |
| Panasonic Corporation | 20074 |
26 |
| Panasonic Intellectual Property Management Co., Ltd. | 31696 |
22 |
| Maxell, Ltd. | 2806 |
15 |
| Kyocera Corporation | 13884 |
11 |
| OM Digital Solutions Corp. | 607 |
9 |
| NEC Corporation | 35827 |
8 |
| Samsung Electronics Co., Ltd. | 147131 |
6 |
| NEC Casio Mobile Communications, Ltd. | 429 |
6 |
| Sony Semiconductor Solutions Corporation | 10547 |
6 |
| Maxell Holdings, Ltd. | 1302 |
6 |
| Sharp Kabushiki Kaisha | 18734 |
6 |
| Apple Inc. | 55287 |
5 |
| Qualcomm Incorporated | 86023 |
4 |
| Other owners | 136 |