- 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 27/58 - Baseboards, masking frames, or other holders for the sensitive material
Patent holdings for IPC class G03B 27/58
Total number of patents in this class: 445
10-year publication summary
|
37
|
36
|
28
|
11
|
14
|
2
|
2
|
0
|
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. | 7371 |
195 |
| Nikon Corporation | 7159 |
85 |
| Canon Inc. | 39765 |
35 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42549 |
11 |
| ASML Holding N.V. | 505 |
7 |
| Carl Zeiss SMT GmbH | 2973 |
7 |
| Shanghai Micro Electronics Equipment (Group) Co., Ltd. | 252 |
7 |
| Tsinghua University | 5907 |
6 |
| Samsung Electronics Co., Ltd. | 145630 |
4 |
| Samsung Display Co., Ltd. | 34595 |
4 |
| Tokyo Electron Limited | 12681 |
4 |
| Eastman Kodak Company | 2903 |
3 |
| Screen Semiconductor Solutions Co., Ltd. | 90 |
3 |
| Zygo Corporation | 179 |
3 |
| Micron Technology, Inc. | 26258 |
2 |
| Applied Materials, Inc. | 18565 |
2 |
| United Microelectronics Corp. | 4254 |
2 |
| Disco Corporation | 1851 |
2 |
| KLA-Tencor Technologies Corporation | 202 |
2 |
| Mapper Lithography IP B.V. | 135 |
2 |
| Other owners | 59 |