- All sections
- G - Physics
- G03B - Apparatus or arrangements for taking photographs or for projecting or viewing them; apparatus or arrangements employing analogous techniques using waves other than optical waves; accessories 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: 809
10-year publication summary
|
91
|
77
|
82
|
44
|
25
|
19
|
8
|
3
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 6980 |
342 |
| Carl Zeiss SMT GmbH | 2719 |
94 |
| Nikon Corporation | 7136 |
93 |
| Canon Inc. | 37077 |
52 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 37480 |
29 |
| ASML Holding N.V. | 526 |
21 |
| Tokyo Electron Limited | 11848 |
17 |
| Samsung Electronics Co., Ltd. | 135388 |
9 |
| Micron Technology, Inc. | 25346 |
7 |
| Screen Semiconductor Solutions Co., Ltd. | 99 |
6 |
| FUJIFILM Corporation | 27478 |
5 |
| Kioxia Corporation | 9925 |
5 |
| Bfly Operations, Inc. | 356 |
5 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1774 |
4 |
| Shanghai Yiying Digital Technology Co., Ltd. | 9 |
4 |
| Shang Hai Doli Photographic Equipment Co., Ltd | 6 |
4 |
| Samsung Display Co., Ltd. | 31786 |
3 |
| Eulitha AG | 30 |
3 |
| KLA-Tencor Corporation | 2560 |
3 |
| Screen Holdings Co., Ltd. | 2539 |
3 |
| Other owners | 100 |