- 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 27/32 - Projection printing apparatus, e.g. enlarger, copying camera
Patent holdings for IPC class G03B 27/32
Total number of patents in this class: 514
10-year publication summary
|
45
|
36
|
17
|
18
|
14
|
7
|
8
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 7385 |
146 |
| Carl Zeiss SMT GmbH | 2978 |
47 |
| Nikon Corporation | 7163 |
43 |
| Canon Inc. | 39888 |
41 |
| Tokyo Electron Limited | 12712 |
28 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42704 |
24 |
| FUJIFILM Corporation | 29367 |
19 |
| Samsung Electronics Co., Ltd. | 146092 |
9 |
| ASML Holding N.V. | 505 |
8 |
| Screen Semiconductor Solutions Co., Ltd. | 90 |
7 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1768 |
7 |
| Enhanced Visions Systems, Inc. | 62 |
6 |
| Samsung Display Co., Ltd. | 34696 |
5 |
| KLA-Tencor Corporation | 2544 |
5 |
| Kioxia Corporation | 10290 |
5 |
| Micron Technology, Inc. | 26262 |
4 |
| United Microelectronics Corp. | 4268 |
4 |
| ORC Manufacturing Co., Ltd. | 68 |
4 |
| Seiko Epson Corporation | 19352 |
3 |
| Applied Materials, Inc. | 18621 |
3 |
| Other owners | 96 |