- 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 9/40 - Double plate
Patent holdings for IPC class G03B 9/40
Total number of patents in this class: 51
10-year publication summary
|
7
|
2
|
8
|
2
|
6
|
2
|
6
|
6
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Taiwan Corp. | 808 |
10 |
| Seiko Group Corporation | 65 |
9 |
| Canon Inc. | 40398 |
7 |
| Nidec Copal Corporation | 270 |
5 |
| Seiko Holdings Kabushiki Kaisha, TA Seiko Holdings Corporation | 25 |
4 |
| Panasonic Corporation | 20042 |
2 |
| FUJIFILM Corporation | 29586 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
2 |
| Samsung Electronics Co., Ltd. | 147622 |
1 |
| Sony Corporation | 30929 |
1 |
| Hewlett-Packard Development Company, L.P. | 25793 |
1 |
| Nikon Corporation | 7265 |
1 |
| Massachusetts Institute of Technology | 10110 |
1 |
| Actuator Solutions GmbH | 43 |
1 |
| Canon Denshi Kabushiki Kaisha | 182 |
1 |
| JENOPTIK Optical Systems GmbH | 188 |
1 |
| Lab Partners Associates, Inc. | 50 |
1 |
| Seiko Precision Inc. | 111 |
1 |
| Other owners | 0 |