- 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 21/32 - Details specially adapted for motion-picture projection
Patent holdings for IPC class G03B 21/32
Total number of patents in this class: 52
10-year publication summary
|
5
|
6
|
4
|
8
|
4
|
2
|
1
|
3
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Disney Enterprises, Inc. | 6212 |
7 |
| Thomson Licensing | 3314 |
5 |
| Sumitomo Chemical Company, Limited | 9052 |
3 |
| Nippon Telegraph and Telephone Corporation | 16250 |
3 |
| PDC Facilities, Inc. | 11 |
2 |
| Universal City Studios LLC | 2769 |
2 |
| Synamedia Limited | 329 |
2 |
| China Film Technology (Beijing) Co., Ltd. | 3 |
2 |
| 3m Innovative Properties Company | 17565 |
1 |
| Texas Instruments Incorporated | 19595 |
1 |
| Olympus Corporation | 13034 |
1 |
| Applied Minds, LLC | 88 |
1 |
| Appotronics Corporation Limited | 1125 |
1 |
| Bemis Company, Inc. | 234 |
1 |
| China Film Digital Giant Screen (Beijing) Co., Ltd . | 5 |
1 |
| Coretronic Corporation | 1337 |
1 |
| Dalian Wanda Group Co., Ltd. | 41 |
1 |
| ETH Zurich (Eidgenoessische Technische Hochschule Zurich) | 164 |
1 |
| Fishco Innovation LLC | 4 |
1 |
| Gemmy Industries Corporation | 66 |
1 |
| Other owners | 14 |