- 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: 834
10-year publication summary
|
83
|
58
|
31
|
25
|
22
|
4
|
3
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carl Zeiss SMT GmbH | 2912 |
265 |
| ASML Netherlands B.V. | 7280 |
171 |
| Nikon Corporation | 7149 |
68 |
| Canon Inc. | 39119 |
43 |
| Mitsubishi Electric Corporation | 45510 |
24 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 41731 |
23 |
| ASML Holding N.V. | 509 |
16 |
| Samsung Electronics Co., Ltd. | 142777 |
13 |
| Samsung Display Co., Ltd. | 33900 |
11 |
| Cymer, LLC | 364 |
10 |
| Sharp Corporation | 10276 |
9 |
| Applied Materials, Inc. | 18269 |
8 |
| Canon Components, Inc. | 62 |
7 |
| Gigaphoton Inc. | 1206 |
6 |
| Kioxia Corporation | 10256 |
6 |
| Panasonic Corporation | 20207 |
4 |
| Micron Technology, Inc. | 26120 |
4 |
| Tokyo Electron Limited | 12397 |
4 |
| Nippon Sheet Glass Company, Limited | 998 |
4 |
| Nisca Corporation | 157 |
4 |
| Other owners | 134 |