- 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: 51
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 | 30514 |
6 |
| Panasonic Corporation | 19019 |
5 |
| Sony Semiconductor Solutions Corporation | 11577 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
4 |
| Sony Corporation | 30181 |
3 |
| Canon Inc. | 43817 |
3 |
| Olympus Corporation | 12939 |
3 |
| Denso Corporation | 25534 |
2 |
| Kyocera Corporation | 14359 |
2 |
| Canon Kabushiki Kaisha | 7314 |
2 |
| International Business Machines Corporation | 62634 |
1 |
| Toyota Motor Corporation | 35772 |
1 |
| Fujitsu Limited | 16874 |
1 |
| Hitachi Automotive Systems, Ltd. | 3954 |
1 |
| Hitachi Kokusai Electric Inc. | 835 |
1 |
| Ricoh Company, Ltd. | 13342 |
1 |
| JVC Kenwood Corporation | 3129 |
1 |
| Avigilon Corporation | 53 |
1 |
| EndoChoice, Inc. | 183 |
1 |
| Milestone Systems A/S | 79 |
1 |
| Other owners | 6 |