- 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 27/54 - Lamp housingsIlluminating means
Patent holdings for IPC class G03B 27/54
Total number of patents in this class: 763
10-year publication summary
|
58
|
31
|
25
|
22
|
4
|
3
|
1
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss SMT GmbH | 3364 |
260 |
| ASML Netherlands B.V. | 8005 |
149 |
| Nikon Corporation | 7231 |
62 |
| Canon Inc. | 44222 |
41 |
| Mitsubishi Electric Corporation | 48287 |
24 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48760 |
23 |
| Samsung Electronics Co., Ltd. | 158842 |
12 |
| ASML Holding N.V. | 487 |
12 |
| Samsung Display Co., Ltd. | 39012 |
10 |
| Cymer, LLC | 416 |
10 |
| Sharp Corporation | 10860 |
9 |
| Applied Materials, Inc. | 20552 |
8 |
| Gigaphoton Inc. | 1333 |
6 |
| Kioxia Corporation | 10948 |
5 |
| Panasonic Corporation | 18751 |
4 |
| Nisca Corporation | 140 |
4 |
| Tokyo Electron Limited | 13920 |
3 |
| Kyocera Document Solutions Inc. | 6345 |
3 |
| Canon Components, Inc. | 59 |
3 |
| Eulitha AG | 30 |
3 |
| Other owners | 112 |