- All sections
- G - Physics
- G02B - Optical elements, systems or apparatus
- G02B 7/40 - Systems for automatic generation of focusing signals using time delay of the reflected waves, e.g. of ultrasonic waves
Patent holdings for IPC class G02B 7/40
Total number of patents in this class: 98
10-year publication summary
|
13
|
4
|
8
|
12
|
8
|
10
|
10
|
8
|
7
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30479 |
21 |
| Sony Semiconductor Solutions Corporation | 11543 |
9 |
| Sony Corporation | 30236 |
4 |
| JVC Kenwood Corporation | 3134 |
4 |
| May Mobility, Inc. | 75 |
4 |
| Sony Group Corporation | 15561 |
4 |
| Nikon Corporation | 7238 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 33845 |
3 |
| Cognex Corporation | 589 |
3 |
| Apple Inc. | 58621 |
2 |
| Honda Motor Co., Ltd. | 26006 |
2 |
| Texas Instruments Incorporated | 19653 |
2 |
| Kyocera Corporation | 14333 |
2 |
| ams AG | 758 |
2 |
| Google LLC | 44448 |
2 |
| Shizuoka University | 3 |
2 |
| Maxell, Ltd. | 3005 |
2 |
| Pony AI Inc. | 233 |
2 |
| Qinematiq GmbH | 7 |
2 |
| Nuvoton Technology Corporation Japan | 725 |
2 |
| Other owners | 21 |