- All sections
- G - Physics
- G03B - Apparatus or arrangements for taking photographs or for projecting or viewing them; apparatus or arrangements employing analogous techniques using waves other than optical waves; accessories therefor
- G03B 21/604 - Polarised screens
Patent holdings for IPC class G03B 21/604
Total number of patents in this class: 79
10-year publication summary
11
|
11
|
15
|
9
|
13
|
9
|
12
|
7
|
2
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
FUJIFILM Corporation | 27102 |
16 |
Hyperstealth Biotechnology Corp. | 16 |
6 |
RealD Inc. | 260 |
6 |
Nitto Denko Corporation | 7879 |
5 |
Disney Enterprises, Inc. | 6012 |
3 |
Boe Technology Group Co., Ltd. | 35384 |
3 |
Appotronics Corporation Limited | 1111 |
3 |
Gentex Corporation | 1742 |
3 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
Arht Media Inc. | 12 |
2 |
Barco, Inc. | 31 |
2 |
Barco N.V. | 478 |
2 |
Mirraviz, Inc. | 30 |
2 |
Steelcase Inc. | 1361 |
2 |
Maxell, Ltd. | 2533 |
2 |
Agc, Inc. | 4029 |
2 |
Sony Corporation | 32931 |
1 |
Denso Corporation | 23338 |
1 |
Huawei Technologies Co., Ltd. | 100781 |
1 |
Asahi Glass Company, Limited | 2985 |
1 |
Other owners | 14 |