- 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: 82
10-year publication summary
|
7
|
6
|
13
|
4
|
8
|
12
|
8
|
10
|
9
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
18 |
| Sony Semiconductor Solutions Corporation | 8770 |
8 |
| Sony Corporation | 32931 |
4 |
| May Mobility, Inc. | 55 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Cognex Corporation | 521 |
3 |
| Apple Inc. | 50209 |
2 |
| Honda Motor Co., Ltd. | 24537 |
2 |
| Texas Instruments Incorporated | 19376 |
2 |
| Nikon Corporation | 7162 |
2 |
| Kyocera Corporation | 12735 |
2 |
| JVC Kenwood Corporation | 2774 |
2 |
| ams AG | 807 |
2 |
| Shizuoka University | 3 |
2 |
| Maxell, Ltd. | 2533 |
2 |
| AMS Sensors Singapore Pte. Ltd. | 402 |
2 |
| Pony AI Inc. | 224 |
2 |
| Sony Group Corporation | 10730 |
2 |
| Canon Inc. | 36841 |
1 |
| Panasonic Corporation | 20786 |
1 |
| Other owners | 16 |