- 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: 426
10-year publication summary
|
21
|
46
|
58
|
69
|
29
|
45
|
35
|
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 | 19253 |
149 |
| Sony Corporation | 31171 |
45 |
| Panasonic Intellectual Property Management Co., Ltd. | 30822 |
22 |
| Sharp NEC Display Solutions, Ltd. | 508 |
16 |
| Coretronic Corporation | 1263 |
15 |
| Canon Inc. | 39268 |
14 |
| Casio Computer Co., Ltd. | 3428 |
11 |
| NEC Corporation | 35259 |
8 |
| Konica Minolta, Inc. | 8649 |
7 |
| JVC Kenwood Corporation | 2983 |
6 |
| Appotronics Corporation Limited | 1114 |
6 |
| Hisense Laser Display Co., Ltd. | 379 |
6 |
| 3m Innovative Properties Company | 17848 |
5 |
| Texas Instruments Incorporated | 19473 |
5 |
| Barco N.V. | 534 |
5 |
| Qisda Corporation | 464 |
5 |
| Sony Group Corporation | 13386 |
5 |
| Ricoh Company, Ltd. | 13206 |
4 |
| Delta Electronics, Inc. | 2578 |
4 |
| Google LLC | 41681 |
4 |
| Other owners | 84 |