- 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 9/12 - Two relatively-adjustable aperture-defining members moving as a unit
Patent holdings for IPC class G03B 9/12
Total number of patents in this class: 11
10-year publication summary
|
1
|
1
|
0
|
1
|
2
|
0
|
0
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nidec Copal Corporation | 269 |
4 |
| Seiko Epson Corporation | 20337 |
2 |
| Activ Surgical, Inc. | 76 |
2 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 15312 |
1 |
| Polight Technologies Ltd. | 36 |
1 |
| AAC Optics Solutions Pte. Ltd. | 652 |
1 |
| Other owners | 0 |