- 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: 659
10-year publication summary
|
82
|
44
|
25
|
19
|
9
|
3
|
2
|
2
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 8019 |
254 |
| Carl Zeiss SMT GmbH | 3370 |
87 |
| Nikon Corporation | 7233 |
79 |
| Canon Inc. | 44285 |
50 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48861 |
27 |
| ASML Holding N.V. | 487 |
13 |
| Tokyo Electron Limited | 13948 |
11 |
| Samsung Electronics Co., Ltd. | 159029 |
10 |
| Micron Technology, Inc. | 27793 |
7 |
| Screen Semiconductor Solutions Co., Ltd. | 80 |
5 |
| Kioxia Corporation | 11017 |
5 |
| Bfly Operations, Inc. | 388 |
5 |
| FUJIFILM Corporation | 30689 |
4 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1731 |
4 |
| Shanghai Yiying Digital Technology Co., Ltd. | 9 |
4 |
| Eulitha AG | 31 |
3 |
| KLA-Tencor Corporation | 2517 |
3 |
| Shanghai Micro Electronics Equipment (Group) Co., Ltd. | 192 |
3 |
| Seiko Epson Corporation | 20446 |
2 |
| Applied Materials, Inc. | 20579 |
2 |
| Other owners | 81 |