- 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 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: 405
10-year publication summary
|
32
|
21
|
46
|
58
|
69
|
29
|
45
|
33
|
14
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
141 |
| Sony Corporation | 32931 |
48 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
20 |
| Sharp NEC Display Solutions, Ltd. | 493 |
17 |
| Canon Inc. | 36841 |
15 |
| Coretronic Corporation | 1165 |
14 |
| Casio Computer Co., Ltd. | 3343 |
10 |
| NEC Corporation | 32703 |
8 |
| Konica Minolta, Inc. | 8349 |
7 |
| JVC Kenwood Corporation | 2774 |
6 |
| Appotronics Corporation Limited | 1111 |
6 |
| Texas Instruments Incorporated | 19376 |
5 |
| Ricoh Company, Ltd. | 13266 |
4 |
| Barco N.V. | 478 |
4 |
| Google LLC | 38759 |
4 |
| Qisda Corporation | 392 |
4 |
| Hisense Laser Display Co., Ltd. | 315 |
4 |
| 3m Innovative Properties Company | 18406 |
3 |
| Panasonic Corporation | 20786 |
3 |
| Mitsubishi Electric Corporation | 43934 |
3 |
| Other owners | 79 |