- 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 13/00 - ViewfindersFocusing aids for camerasMeans for focusing for camerasAutofocus systems for cameras
Patent holdings for IPC class G03B 13/00
Total number of patents in this class: 597
10-year publication summary
|
30
|
29
|
18
|
5
|
8
|
6
|
2
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 42088 |
88 |
| Samsung Electronics Co., Ltd. | 152914 |
44 |
| Sony Corporation | 30481 |
31 |
| FUJIFILM Corporation | 30192 |
29 |
| Nikon Corporation | 7249 |
25 |
| Panasonic Corporation | 19829 |
21 |
| Apple Inc. | 57924 |
20 |
| LG Innotek Co., Ltd. | 8126 |
18 |
| DigitalOptics Corporation MEMS | 120 |
16 |
| Olympus Corporation | 13032 |
14 |
| OM Digital Solutions Corp. | 594 |
11 |
| The Board of Trustees of the Leland Stanford Junior University | 6605 |
9 |
| Qualcomm Incorporated | 89782 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 33375 |
8 |
| LG Electronics Inc. | 74791 |
7 |
| Google LLC | 43643 |
6 |
| OmniVision Technologies, Inc. | 1572 |
6 |
| Panasonic Intellectual Property Corporation of America | 7054 |
5 |
| Altek Corporation | 143 |
5 |
| Nan Chang O-Film Optoelectronics Technology Ltd | 28 |
5 |
| Other owners | 221 |