- 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 7/28 - Circuitry to measure or to take account of the object contrast
Patent holdings for IPC class G03B 7/28
Total number of patents in this class: 53
10-year publication summary
|
5
|
8
|
10
|
2
|
2
|
3
|
1
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30192 |
6 |
| Panasonic Corporation | 19829 |
5 |
| Sony Semiconductor Solutions Corporation | 11155 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 33375 |
4 |
| Sony Corporation | 30481 |
3 |
| Canon Inc. | 42088 |
3 |
| Olympus Corporation | 13032 |
3 |
| Denso Corporation | 25115 |
2 |
| Kyocera Corporation | 14211 |
2 |
| Canon Kabushiki Kaisha | 7200 |
2 |
| International Business Machines Corporation | 62123 |
1 |
| Toyota Motor Corporation | 34313 |
1 |
| Fujitsu Limited | 17131 |
1 |
| Hitachi Automotive Systems, Ltd. | 3954 |
1 |
| Hitachi Kokusai Electric Inc. | 841 |
1 |
| Ricoh Company, Ltd. | 13313 |
1 |
| Nikon Corporation | 7249 |
1 |
| JVC Kenwood Corporation | 3105 |
1 |
| Avigilon Corporation | 54 |
1 |
| EndoChoice, Inc. | 183 |
1 |
| Other owners | 8 |