- 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 21/604 - Polarised screens
Patent holdings for IPC class G03B 21/604
Total number of patents in this class: 91
10-year publication summary
|
15
|
9
|
13
|
9
|
12
|
7
|
4
|
4
|
1
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30512 |
17 |
| Hyperstealth Biotechnology Corp. | 16 |
6 |
| RealD Inc. | 250 |
6 |
| Nitto Denko Corporation | 8526 |
5 |
| Disney Enterprises, Inc. | 6257 |
3 |
| Boe Technology Group Co., Ltd. | 44004 |
3 |
| Appotronics Corporation Limited | 1132 |
3 |
| Gentex Corporation | 1964 |
3 |
| Arht Media Inc. | 7 |
2 |
| Barco, Inc. | 31 |
2 |
| Barco N.V. | 567 |
2 |
| Lumus Ltd. | 509 |
2 |
| Mirraviz, Inc. | 28 |
2 |
| Shenzhen Time Waying Technology Co., Ltd. | 32 |
2 |
| Steelcase Inc. | 1282 |
2 |
| Maxell, Ltd. | 3015 |
2 |
| Agc, Inc. | 5502 |
2 |
| Shenzhen Photonic Crystal Technology Co., Ltd | 8 |
2 |
| Sony Group Corporation | 15597 |
2 |
| Panasonic Projector & Display Corporation | 484 |
2 |
| Other owners | 21 |