- 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: 49
10-year publication summary
|
1
|
5
|
5
|
4
|
2
|
4
|
3
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20786 |
6 |
| Sony Corporation | 32931 |
4 |
| Sony Olympus Medical Solutions Inc. | 347 |
4 |
| Ricoh Company, Ltd. | 13266 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
2 |
| Hitachi Automotive Systems, Ltd. | 3970 |
2 |
| FUJIFILM Corporation | 27102 |
2 |
| Renesas Electronics Corporation | 6305 |
2 |
| Konica Minolta, Inc. | 8349 |
2 |
| Cognex Corporation | 521 |
2 |
| Sony Interactive Entertainment Inc. | 5162 |
2 |
| Canon Kabushiki Kaisha | 6884 |
2 |
| General Electric Company | 18133 |
1 |
| Canon Inc. | 36841 |
1 |
| Hitachi, Ltd. | 16452 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Olympus Corporation | 13667 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
1 |
| Abukai, Inc. | 3 |
1 |
| Other owners | 6 |