- 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 27/52 - Projection printing apparatus, e.g. enlarger, copying camera Details
Patent holdings for IPC class G03B 27/52
Total number of patents in this class: 727
10-year publication summary
|
77
|
82
|
44
|
25
|
19
|
9
|
3
|
3
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 7441 |
291 |
| Carl Zeiss SMT GmbH | 3027 |
92 |
| Nikon Corporation | 7265 |
87 |
| Canon Inc. | 40398 |
52 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43400 |
27 |
| Tokyo Electron Limited | 12899 |
14 |
| ASML Holding N.V. | 499 |
14 |
| Samsung Electronics Co., Ltd. | 147622 |
9 |
| Micron Technology, Inc. | 26210 |
7 |
| Screen Semiconductor Solutions Co., Ltd. | 89 |
6 |
| FUJIFILM Corporation | 29586 |
5 |
| Kioxia Corporation | 10441 |
5 |
| Bfly Operations, Inc. | 372 |
5 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1758 |
4 |
| Shanghai Yiying Digital Technology Co., Ltd. | 9 |
4 |
| Shang Hai Doli Photographic Equipment Co., Ltd | 5 |
4 |
| Eulitha AG | 31 |
3 |
| KLA-Tencor Corporation | 2544 |
3 |
| Screen Holdings Co., Ltd. | 2887 |
3 |
| Shanghai Micro Electronics Equipment (Group) Co., Ltd. | 252 |
3 |
| Other owners | 89 |