- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 7/30 - Systems for automatic generation of focusing signals using parallactic triangle with a base line
Patent holdings for IPC class G02B 7/30
Total number of patents in this class: 48
10-year publication summary
|
5
|
5
|
4
|
2
|
4
|
3
|
0
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20050 |
6 |
| Sony Corporation | 30936 |
4 |
| Sony Olympus Medical Solutions Inc. | 374 |
4 |
| FUJIFILM Corporation | 29543 |
3 |
| Ricoh Company, Ltd. | 13316 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 31806 |
3 |
| Hitachi Automotive Systems, Ltd. | 3955 |
2 |
| Renesas Electronics Corporation | 5987 |
2 |
| Konica Minolta, Inc. | 8784 |
2 |
| Cognex Corporation | 573 |
2 |
| Sony Interactive Entertainment Inc. | 5917 |
2 |
| Canon Kabushiki Kaisha | 7069 |
2 |
| General Electric Company | 13845 |
1 |
| Canon Inc. | 40352 |
1 |
| Hitachi, Ltd. | 15556 |
1 |
| Robert Bosch GmbH | 42813 |
1 |
| Olympus Corporation | 13151 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8476 |
1 |
| Abukai, Inc. | 4 |
1 |
| CENTRAL ENGINEERING CO., Ltd. | 2 |
1 |
| Other owners | 5 |