- 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 9/22 - More than two members each moving in one direction to open and then in opposite direction to close, e.g. iris type
Patent holdings for IPC class G03B 9/22
Total number of patents in this class: 46
10-year publication summary
|
0
|
4
|
3
|
4
|
2
|
6
|
5
|
10
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Largan Precision Co., Ltd. | 1639 |
6 |
| SZ DJI Technology Co., Ltd | 6938 |
5 |
| Actutek Corporation | 851 |
5 |
| Samsung Electro-mechanics Co., Ltd. | 6134 |
4 |
| Leica Camera AG | 286 |
4 |
| Canon Inc. | 44134 |
3 |
| Raytheon Company | 8435 |
2 |
| Canon Denshi Kabushiki Kaisha | 182 |
2 |
| Seiko Precision Inc. | 98 |
2 |
| Thorlabs, Inc. | 370 |
2 |
| Apple Inc. | 59117 |
1 |
| Hewlett-Packard Development Company, L.P. | 25174 |
1 |
| Nikon Corporation | 7229 |
1 |
| Dell Products L.P. | 17129 |
1 |
| Beijing FUNATE Innovation Technology Co., Ltd. | 144 |
1 |
| National University of Singapore | 2601 |
1 |
| NingBo Sunny Opotech Co.,Ltd. | 665 |
1 |
| New Shicoh Motor Co., Ltd. | 78 |
1 |
| AAC Optics Solutions Pte. Ltd. | 652 |
1 |
| OroraTech GmbH | 28 |
1 |
| Other owners | 1 |