- 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: 461
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. | 7286 |
204 |
| Nikon Corporation | 7150 |
86 |
| Canon Inc. | 39160 |
35 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 41799 |
11 |
| ASML Holding N.V. | 508 |
7 |
| Carl Zeiss SMT GmbH | 2920 |
7 |
| Shanghai Micro Electronics Equipment (Group) Co., Ltd. | 252 |
7 |
| Tsinghua University | 5811 |
6 |
| Samsung Electronics Co., Ltd. | 143021 |
4 |
| Samsung Display Co., Ltd. | 33982 |
4 |
| Tokyo Electron Limited | 12420 |
4 |
| Eastman Kodak Company | 2942 |
3 |
| Board of Regents, The University of Texas System | 5725 |
3 |
| Screen Semiconductor Solutions Co., Ltd. | 96 |
3 |
| Zygo Corporation | 185 |
3 |
| Micron Technology, Inc. | 26152 |
2 |
| Applied Materials, Inc. | 18299 |
2 |
| United Microelectronics Corp. | 4196 |
2 |
| Disco Corporation | 1844 |
2 |
| KLA-Tencor Technologies Corporation | 229 |
2 |
| Other owners | 64 |