- 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 33/12 - Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
Patent holdings for IPC class G03B 33/12
Total number of patents in this class: 427
10-year publication summary
|
21
|
46
|
58
|
69
|
29
|
45
|
36
|
15
|
17
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19319 |
150 |
| Sony Corporation | 31093 |
45 |
| Panasonic Intellectual Property Management Co., Ltd. | 31221 |
22 |
| Sharp NEC Display Solutions, Ltd. | 516 |
16 |
| Coretronic Corporation | 1274 |
15 |
| Canon Inc. | 39713 |
14 |
| Casio Computer Co., Ltd. | 3423 |
11 |
| NEC Corporation | 35521 |
8 |
| Konica Minolta, Inc. | 8704 |
7 |
| JVC Kenwood Corporation | 3006 |
6 |
| Appotronics Corporation Limited | 1115 |
6 |
| Hisense Laser Display Co., Ltd. | 385 |
6 |
| 3m Innovative Properties Company | 17857 |
5 |
| Texas Instruments Incorporated | 19480 |
5 |
| Barco N.V. | 537 |
5 |
| Qisda Corporation | 466 |
5 |
| Sony Group Corporation | 13703 |
5 |
| Ricoh Company, Ltd. | 13247 |
4 |
| Delta Electronics, Inc. | 2601 |
4 |
| Google LLC | 42038 |
4 |
| Other owners | 84 |