- 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: 830
10-year publication summary
83
|
58
|
31
|
25
|
22
|
4
|
3
|
0
|
1
|
1
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Carl Zeiss SMT GmbH | 2940 |
264 |
ASML Netherlands B.V. | 7312 |
170 |
Nikon Corporation | 7159 |
68 |
Canon Inc. | 39442 |
43 |
Mitsubishi Electric Corporation | 45811 |
24 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 42118 |
23 |
ASML Holding N.V. | 508 |
16 |
Samsung Electronics Co., Ltd. | 144143 |
13 |
Samsung Display Co., Ltd. | 34230 |
11 |
Cymer, LLC | 369 |
10 |
Sharp Corporation | 10293 |
9 |
Applied Materials, Inc. | 18406 |
8 |
Canon Components, Inc. | 62 |
7 |
Gigaphoton Inc. | 1216 |
6 |
Kioxia Corporation | 10272 |
6 |
Panasonic Corporation | 20173 |
4 |
Micron Technology, Inc. | 26209 |
4 |
Tokyo Electron Limited | 12540 |
4 |
Nisca Corporation | 156 |
4 |
Xerox Corporation | 7026 |
3 |
Other owners | 133 |