- 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 21/58 - Projection screens collapsible, e.g. foldableProjection screens of variable area
Patent holdings for IPC class G03B 21/58
Total number of patents in this class: 271
10-year publication summary
|
25
|
21
|
40
|
25
|
33
|
29
|
18
|
17
|
20
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hisense Laser Display Co., Ltd. | 459 |
33 |
| Appotronics Corporation Limited | 1136 |
11 |
| Arovia, Inc. | 15 |
9 |
| Izumi-Cosmo Company, Limited | 32 |
9 |
| Draper, Inc. | 63 |
7 |
| Samsung Electronics Co., Ltd. | 159029 |
6 |
| Barco N.V. | 569 |
6 |
| LG Display Co., Ltd. | 15056 |
5 |
| Mirraviz, Inc. | 28 |
5 |
| CJ CGV Co., Ltd. | 79 |
3 |
| Coretronic Corporation | 1377 |
3 |
| Golf Pro Delivered, LLC | 5 |
3 |
| Hayashiguchi MFG Co., Ltd. | 16 |
3 |
| Korn Wall Limited, TA KwickScreen | 13 |
3 |
| Milestone AV Technologies LLC | 54 |
3 |
| RealD Inc. | 247 |
3 |
| Zhejiang Geely Holding Group Co., Ltd. | 2093 |
3 |
| Legrand AV Inc. | 354 |
3 |
| Jiangsu Shunhe Internet of Things Technology Co., Ltd. | 4 |
3 |
| Cie Golde Shanghai Innovation Co., Ltd | 8 |
3 |
| Other owners | 147 |