- 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: 436
10-year publication summary
|
46
|
57
|
69
|
29
|
45
|
36
|
16
|
17
|
12
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19809 |
153 |
| Sony Corporation | 30578 |
45 |
| Panasonic Intellectual Property Management Co., Ltd. | 33033 |
20 |
| Sharp NEC Display Solutions, Ltd. | 538 |
16 |
| Coretronic Corporation | 1326 |
15 |
| Canon Inc. | 41739 |
14 |
| Casio Computer Co., Ltd. | 3461 |
11 |
| NEC Corporation | 36464 |
8 |
| Konica Minolta, Inc. | 8976 |
7 |
| Hisense Laser Display Co., Ltd. | 432 |
7 |
| JVC Kenwood Corporation | 3077 |
6 |
| Appotronics Corporation Limited | 1125 |
6 |
| 3m Innovative Properties Company | 17596 |
5 |
| Texas Instruments Incorporated | 19547 |
5 |
| Barco N.V. | 547 |
5 |
| Qisda Corporation | 498 |
5 |
| Sony Group Corporation | 14939 |
5 |
| Ricoh Company, Ltd. | 13335 |
4 |
| Delta Electronics, Inc. | 2736 |
4 |
| Google LLC | 43466 |
4 |
| Other owners | 91 |