- 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 21/64 - Means for mounting individual pictures to be projected, e.g. frame for transparency
Patent holdings for IPC class G03B 21/64
Total number of patents in this class: 22
10-year publication summary
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2
|
5
|
5
|
2
|
6
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2
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0
|
1
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1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| E-image Data Corporation | 10 |
3 |
| RedwoodVentures, LTD | 22 |
3 |
| Hisense Laser Display Co., Ltd. | 395 |
3 |
| Fishco Innovation LLC | 4 |
2 |
| Hewlett-Packard Development Company, L.P. | 25869 |
1 |
| FUJIFILM Corporation | 29424 |
1 |
| Wistron Corporation | 2324 |
1 |
| Brooks Automation, Inc. | 159 |
1 |
| Coretronic Corporation | 1285 |
1 |
| Gemmy Industries Corporation | 63 |
1 |
| Godox Photo Equipment Co., Ltd. | 87 |
1 |
| Goodrich Lighting Systems, Inc. | 43 |
1 |
| Quanta Computer Inc. | 1357 |
1 |
| Tsus SASU | 3 |
1 |
| Redwoodventures, Ltd. | 4 |
1 |
| Other owners | 0 |